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

#define FAST ios_base::sync_with_stdio(false);cin.tie(NULL);
using ll = long long;

int main() {
  FAST;

  ll h, w, i, ans;
  cin >> h >> w;

  ans = 0;
  for (i = 1; i <= min(h, w); ++i) {
    ans += (h-i+1) * (w-i+1);
  }

  cout << ans << "\n";

  return 0;
}