#include <stdio.h>
#include <stdlib.h>
 
 
 
int main(){
    int i,j,k;
    int a,b;
    int **mat;
    scanf("%d %d",&a,&b);
 
	mat=malloc(a*sizeof(int*));
	for(i=0;i<a;i++){
		mat[i]=malloc(b*sizeof(int));
	}
 
	k=1;
	for(i=0;i<a;i++){
		for(j=0;j<b;j++){
			mat[i][j]=k;
			k=k+1;
		}
	}
 
 
    for(i=0;i<a;i++){
        for(j=0;j<b;j++){
            printf("%d ",mat[i][j]);
        }
        printf("\n");
    }
 
 free(mat);
    return 0;
}

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