#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
using namespace std;
int main(){
    int h,w;
    cin>>h>>w;
    int x = min(h,w);
    int count =0;
    for(int i=1;i<=x;i++){
        count+= (h-i+1)*(w-i+1);
    }
    cout << count << endl;
}