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

void solve() {
    ll ans = 0;
    int h,w;
    cin >> h >> w;
    for(int i = 1; i <= min(h,w); i++) {
        ll _h = h - i + 1, _w = w - i + 1;
        ans += _h * _w;
    }
    cout << ans << '\n';
    return;
}

int32_t main() {
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    int tc = 1;
    // cin >> tc;
    for(int kase = 1; kase <= tc; kase++) {
        //cout << "Case " << kase << ": ";
        solve();
    }
    return 0;
}