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

#define MOD 1000000007
#define ll long long
#define INF LLONG_MIN




void solve() {
    int H, W;
    cin >> H >> W;

    int mn = min(H, W);
    ll ans = 0;
    for (int k = 1; k <= mn; k++) {
        ll x = (H - k + 1) * (W - k + 1);
        ans += x;
    }

    cout << ans << endl;
    
    
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

// #ifndef ONLINE_JUDGE
//     freopen("input.txt", "r", stdin);
//     freopen("output.txt", "w", stdout);
// #endif

    solve();
    return 0;
}