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#include <stdio.h>
#include <vector>
#include <algorithm>
#define M 109
using namespace std;
 
int s[M][M],d[M][M],F,V,ans;
int main(){
    int i,j,r;
    scanf("%d %d",&F,&V);
    for (i=1;i<=F;i++){
        for (j=1;j<=V;j++) scanf("%d",&s[i][j]);
    }
    for (i=0;i<=F;i++) for (j=0;j<=V;j++) d[i][j]=-1;
    d[0][0]=0;
    for (i=1;i<=F;i++){
        for (j=1;j<=V;j++){
            for (r=0;r<j;r++){
                if (d[i-1][r]==-1) continue;
                if (d[i][j]==-1) d[i][j]=d[i-1][r]+s[i][j];
                else d[i][j]=max(d[i][j],d[i-1][r]+s[i][j]);
            }
        }
    }
    ans=-5009;
    for (j=1;j<=V;j++){
        if (d[F][j]!=-1) ans=max(ans,d[F][j]);
    }
    printf("%d",ans);
}

prog.cpp:6:1: error: stray '\302' in program
  
 ^
prog.cpp:6:1: error: stray '\240' in program
prog.cpp:9:1: error: stray '\302' in program
     int i,j,r;
 ^
prog.cpp:9:1: error: stray '\240' in program
prog.cpp:9:1: error: stray '\302' in program
prog.cpp:9:1: error: stray '\240' in program
prog.cpp:9:1: error: stray '\302' in program
prog.cpp:9:1: error: stray '\240' in program
prog.cpp:9:1: error: stray '\302' in program
prog.cpp:9:1: error: stray '\240' in program
prog.cpp:10:1: error: stray '\302' in program
     scanf("%d %d",&F,&V);
 ^
prog.cpp:10:1: error: stray '\240' in program
prog.cpp:10:1: error: stray '\302' in program
prog.cpp:10:1: error: stray '\240' in program
prog.cpp:10:1: error: stray '\302' in program
prog.cpp:10:1: error: stray '\240' in program
prog.cpp:10:1: error: stray '\302' in program
prog.cpp:10:1: error: stray '\240' in program
prog.cpp:11:1: error: stray '\302' in program
     for (i=1;i<=F;i++){
 ^
prog.cpp:11:1: error: stray '\240' in program
prog.cpp:11:1: error: stray '\302' in program
prog.cpp:11:1: error: stray '\240' in program
prog.cpp:11:1: error: stray '\302' in program
prog.cpp:11:1: error: stray '\240' in program
prog.cpp:11:1: error: stray '\302' in program
prog.cpp:11:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
         for (j=1;j<=V;j++) scanf("%d",&s[i][j]);
 ^
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:12:1: error: stray '\302' in program
prog.cpp:12:1: error: stray '\240' in program
prog.cpp:13:1: error: stray '\302' in program
     }
 ^
prog.cpp:13:1: error: stray '\240' in program
prog.cpp:13:1: error: stray '\302' in program
prog.cpp:13:1: error: stray '\240' in program
prog.cpp:13:1: error: stray '\302' in program
prog.cpp:13:1: error: stray '\240' in program
prog.cpp:13:1: error: stray '\302' in program
prog.cpp:13:1: error: stray '\240' in program
prog.cpp:14:1: error: stray '\302' in program
     for (i=0;i<=F;i++) for (j=0;j<=V;j++) d[i][j]=-1;
 ^
prog.cpp:14:1: error: stray '\240' in program
prog.cpp:14:1: error: stray '\302' in program
prog.cpp:14:1: error: stray '\240' in program
prog.cpp:14:1: error: stray '\302' in program
prog.cpp:14:1: error: stray '\240' in program
prog.cpp:14:1: error: stray '\302' in program
prog.cpp:14:1: error: stray '\240' in program
prog.cpp:15:1: error: stray '\302' in program
     d[0][0]=0;
 ^
prog.cpp:15:1: error: stray '\240' in program
prog.cpp:15:1: error: stray '\302' in program
prog.cpp:15:1: error: stray '\240' in program
prog.cpp:15:1: error: stray '\302' in program
prog.cpp:15:1: error: stray '\240' in program
prog.cpp:15:1: error: stray '\302' in program
prog.cpp:15:1: error: stray '\240' in program
prog.cpp:16:1: error: stray '\302' in program
     for (i=1;i<=F;i++){
 ^
prog.cpp:16:1: error: stray '\240' in program
prog.cpp:16:1: error: stray '\302' in program
prog.cpp:16:1: error: stray '\240' in program
prog.cpp:16:1: error: stray '\302' in program
prog.cpp:16:1: error: stray '\240' in program
prog.cpp:16:1: error: stray '\302' in program
prog.cpp:16:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
         for (j=1;j<=V;j++){
 ^
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:17:1: error: stray '\302' in program
prog.cpp:17:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
             for (r=0;r<j;r++){
 ^
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:18:1: error: stray '\302' in program
prog.cpp:18:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
                 if (d[i-1][r]==-1) continue;
 ^
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:19:1: error: stray '\302' in program
prog.cpp:19:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
                 if (d[i][j]==-1) d[i][j]=d[i-1][r]+s[i][j];
 ^
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:20:1: error: stray '\302' in program
prog.cpp:20:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
                 else d[i][j]=max(d[i][j],d[i-1][r]+s[i][j]);
 ^
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:21:1: error: stray '\302' in program
prog.cpp:21:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
             }
 ^
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:22:1: error: stray '\302' in program
prog.cpp:22:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
         }
 ^
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:23:1: error: stray '\302' in program
prog.cpp:23:1: error: stray '\240' in program
prog.cpp:24:1: error: stray '\302' in program
     }
 ^
prog.cpp:24:1: error: stray '\240' in program
prog.cpp:24:1: error: stray '\302' in program
prog.cpp:24:1: error: stray '\240' in program
prog.cpp:24:1: error: stray '\302' in program
prog.cpp:24:1: error: stray '\240' in program
prog.cpp:24:1: error: stray '\302' in program
prog.cpp:24:1: error: stray '\240' in program
prog.cpp:25:1: error: stray '\302' in program
     ans=-5009;
 ^
prog.cpp:25:1: error: stray '\240' in program
prog.cpp:25:1: error: stray '\302' in program
prog.cpp:25:1: error: stray '\240' in program
prog.cpp:25:1: error: stray '\302' in program
prog.cpp:25:1: error: stray '\240' in program
prog.cpp:25:1: error: stray '\302' in program
prog.cpp:25:1: error: stray '\240' in program
prog.cpp:26:1: error: stray '\302' in program
     for (j=1;j<=V;j++){
 ^
prog.cpp:26:1: error: stray '\240' in program
prog.cpp:26:1: error: stray '\302' in program
prog.cpp:26:1: error: stray '\240' in program
prog.cpp:26:1: error: stray '\302' in program
prog.cpp:26:1: error: stray '\240' in program
prog.cpp:26:1: error: stray '\302' in program
prog.cpp:26:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
         if (d[F][j]!=-1) ans=max(ans,d[F][j]);
 ^
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:27:1: error: stray '\302' in program
prog.cpp:27:1: error: stray '\240' in program
prog.cpp:28:1: error: stray '\302' in program
     }
 ^
prog.cpp:28:1: error: stray '\240' in program
prog.cpp:28:1: error: stray '\302' in program
prog.cpp:28:1: error: stray '\240' in program
prog.cpp:28:1: error: stray '\302' in program
prog.cpp:28:1: error: stray '\240' in program
prog.cpp:28:1: error: stray '\302' in program
prog.cpp:28:1: error: stray '\240' in program
prog.cpp:29:1: error: stray '\302' in program
     printf("%d",ans);
 ^
prog.cpp:29:1: error: stray '\240' in program
prog.cpp:29:1: error: stray '\302' in program
prog.cpp:29:1: error: stray '\240' in program
prog.cpp:29:1: error: stray '\302' in program
prog.cpp:29:1: error: stray '\240' in program
prog.cpp:29:1: error: stray '\302' in program
prog.cpp:29:1: error: stray '\240' in program

Standard output is empty