#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;
    int a,b;
    int **mat;
    scanf("%d %d",&a,&b);
	mat = (int **)malloc(sizeof(int *) * a);
    if (mat == NULL) return 0;
    for (int i = 0; i < a; i++) {
        mat[i] = (int *)malloc(sizeof(int) * b);
        if (mat[i] == NULL) return 0;
    }
	int count = 1;
    for (int i = 0; i < a; i++) {
        for (int j = 0; j < b; j++) {
            mat[i][j] = count++;
        }
    }
    for(i=0;i<a;i++){
        for(j=0;j<b;j++){
            printf("%d ",mat[i][j]);
        }
        printf("\n");
    }
    for (int i = 0; i < a; i++) free(mat[i]);
    free(mat);
    return 0;
}
 

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