// #pragma GCC optimize("O3,unroll-loops,Ofast")
// #pragma GCC target("avx2")
#include<bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
#define int long long
#define endl '\n'
using namespace std;
using pii = pair<int, int>;
using tup = tuple<int, int, int>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// template <class T> using ordered_set = tree<T, null_type,
// less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int inf = 1e18;
const int mod = 1000000007;
const double eps = 1e-9;
const int N = 500005;
void preprocess() {}
void solve(int tc) {
int h, w;
cin >> h >> w;
int ans = 0;
for(int i=1; i<=min(h, w); i++)
ans += (h-i+1) * (w-i+1);
cout << ans << endl;
}
int32_t main() {
cin.tie(NULL)->sync_with_stdio(false);
cout.precision(10);
preprocess();
int T = 1;
// cin >> T;
for (int i = 1; i <= T; i++) {
solve(i);
}
return 0;
}