#include <bits/stdc++.h>
using namespace std;

int main() {

    int h, w;

    cin >> h >> w;

    int minS = min(h, w);
    long long tSq = 0;

    for (int i = 1; i <= minS; i++) {
        tSq += (long long)(h - i + 1) * (w - i + 1);
    }
    cout << tSq << endl;

    return 0;
}