Sum of area

//Bismillahir Rahman-ir Rahim
#include <bits/stdc++.h>
using namespace std;
#define MAX 32000
#define PI acos(-1)
#define debug(x) cout << '>' << #x << " : " << x << endl;
#define all(c) c.begin(), c.end()
//#define m (pow(10, 9)+7)
typedef unsigned long long ull;
typedef long long ll;

/*
ll rect_count(ll n, ll m)
{
    ll x = n*(n+1)/2, y = m*(m+1)/2;
    return x*y;
}
*/
ll sum_of_area(ll n, ll m)
{
    ll x = 0, y = 0;
    for(size_t i = 1, j = n; i <= n; i++, j--){
        x += j*i;
    }
    for(size_t i = 1, j = m; i <= m; i++, j--){
        y += j*i;
    }

    return x*y;
}

int main()
{
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);


    ll n, m;
    cin >> n >> m;
    cout << sum_of_area(n, m) << endl;
    return 0;

}