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

#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define FOR(i, a, b) for (int i = (a); i<(b); ++i)
#define RFOR(i, b, a) for (int i = (b)-1; i>=(a); --i)
#define MP make_pair
#define PB push_back
#define F first
#define S second
#define FILL(a, b) memset(a, b, sizeof(a))

typedef long long LL;
typedef pair<int, int> PII;
typedef vector<int> VI;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, m;
	cin >> n >> m;
	LL ans = 0;
	FOR(dx, 0, n + 1){
		FOR(dy, 0, m + 1){
			if(dx == 0 && dy == 0)
				continue;
				
			if(dx % 2 || dy % 2)
				continue;
			
			int coef = 1;
			if(dx * dy != 0)
				coef = 2;
			ans += coef * (n - dx + 1) * (m - dy + 1);
		}
	}
	cout << ans << endl;
	return 0;
}