#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
// #define cerr cout
#include "algo/debug.h"
#else
#define deb(...) 30
#endif
#define ll long long
#define all(x) (x).begin(), (x).end()
#define f(i, n) for (int i = 0; i < n; i++)

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int h, w;
    cin >> h >> w;
    ll s = 0;
    for (int i = 1; i <= min(h, w); i++)
    {
        s += (h - i + 1) * (w - i + 1);
    }
    cout << s;

    return 0;
}