#include <stdio.h>
#include <stdlib.h>
 
//必要があれば変数などを追加してもOKです
 
int main(){
    int i,j,k,l=1;
    int a,b;
    int **mat;
    scanf("%d %d",&a,&b);
 
  mat = (int**)malloc(sizeof(int*)* a);
  for(k=0;k<a;k++)
    mat[k]= (int*)malloc(sizeof(int)* b);
  if(mat == NULL){
      printf("ERROR\n");
      return 0;
  }
 
  for(i=0;i<a;i++){
    for(j=0;j<b;j++){
      mat[i][j]=l;
      l++;
    }
  }
 
 
    //以下の部分は表示の部分です
    //いじらなくてOK
    for(i=0;i<a;i++){
        for(j=0;j<b;j++){
            printf("%d ",mat[i][j]);
        }
        printf("\n");
    }
 
    //さて，最後に忘れずにすることと言えば？
free(mat);
 
    return 0;
}

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