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

#define ll long long int
#define MIR183_Mac ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

void solve() {
    ll h,w;
    cin>>h>>w;
    
    ll t=0;
    ll mn=min(h,w);
    
    for (ll k=1;k<=mn;k++) {
        t+=(h-k+1)*(w-k+1);
    }
    
    cout<<t<<endl;
}

signed main() {
    MIR183_Mac;
    solve();
    return 0;
}