#include <bits/stdc++.h>
#define ll long long
#define pub push_back
#define fast                      \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);
using namespace std;
void solve()
{
    int h, w;
    cin >> h >> w;
    int ans = 0;
    for (int k = 1; k <= min(h, w); k++)
    {
        ans += ((h - k + 1) * (w - k + 1));
    }
    cout << ans << endl;
}
int main()
{
    fast;
    solve();
    return 0;
}