#include <string>
#include <iostream>
#include <vector>
using namespace std;

#include<stdio.h>

int main(){
    int h, w;
    cin >> h >> w;
    int sum = 0;
    int min = h < w ? h : w;
    for(int i = 1; i<= min; i++){
        int result = (h-i+1)*(w-i+1);
        sum += result;
    }
    cout << sum << endl;
}