C++ :

#include <bits/stdc++.h>
using namespace std;
int n, m;
int main() {
    scanf("%d%d", &n, &m);
    assert(1 <= n && n <= 50 && 1 <= m && m <= 50);
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            printf("%d%c", i * j, " \n"[j == m]);
    return 0;
}