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