#include <stdio.h>
#include <stdlib.h>
 
 
int main(){
 int i,j,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);}
 
 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");
 }
 
for(i=0;i<a;i++){  
 free(mat[i]); }
 
free(mat);
 
 return 0;
}
 

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