#include <bits/stdc++.h>
using namespace std;
using ll = long long;
// #define int ll
#define endl '\n'
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
const int MAX = 5e5 + 5, mod = 998244353;

void solve(){
    int n, m; cin >> n >> m;
    ll ans = 0;
    for (int i = 0; i <= n; i ++){
        for (int j = 0; j <= m; j ++){
            if (i % 2 == 0 and j % 2 == 0){
                if (i == 0 and j == 0) continue;
                if (i == 0 or j == 0) ans += (n - i + 1) * (m - j + 1);
                else ans += (n - i + 1) * (m - j + 1) * 2;
                //cerr << i << ' ' << j << endl;
            }
        }
    }
    cout << ans << endl;
}
signed main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    // int T=1;cin>>T;while(T--)
    solve();
}