#include <bits/stdc++.h>

#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REPL(i, j, n) for (int i = (j); i < (n); ++i)
using namespace std;
#define int long long

typedef vector<int> vi;

int solve() {
    int n,m;cin>>n>>m;
    int tot = 0;
    REP(i, n+1) {
        REPL(j,-m, m+1) {
            if (i == 0 && j <= 0) continue;
            if (i%2 != 0 || j%2 != 0) continue;
            int v1 = n+1-i;
            int v2 = m+1 - abs(j);
            tot += v1*v2;
         }
    }return tot;
}
signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout<<solve();
}