#include "stdio.h"
#include "malloc.h"

int main() {
    int n, m;
    scanf("%d%d", &n, &m);
    int **a = (int**)calloc(n, sizeof(*a));
    for (int i = 0; i < n; ++i) {
        a[i] = (int*)calloc(m, sizeof(**a));
        for (int j = 0; j < m; ++j) {
            *(*(a + i) + j) = (i + 1) * (j + 1);
        }
    }
    for (int i = 0; i < n; ++i) {
        for (int q = 0; q < m; ++q) {
            printf("%d ", a[i][q]);
        }
        printf("\n");
    }
    printf("%p\n", a);
    for (int i = 0; i < n; ++i) {
        printf("%p ", a[i]);
    }
    printf("\n");
    for (int i = 0; i < n; ++i) {
        free(a[i]);
    }
    free(a);
    return 0;
}