#include <stdio.h>
#include <stdlib.h>
 
int main(){
    int i,j;
   int k=1;
    int a,b;
    int **mat;
    scanf("%d %d",&a,&b);
 
    mat=(int**)malloc(sizeof(int*)*a);
    for(i=0;i<a;i++){
     mat[i]=(int*)malloc(sizeof(int)*b);
     if(mat==NULL){
      printf("ERROR\n");
      return 0;
     }
    }
 
 //ここで2次元配列に数値を代入する
 for(i=0;i<a;i++){
  for(j=0;j<b;j++){
 
    mat[i][j]=k++;}
 }
 
    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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