#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    auto f = [&]() {
        string s; cin >> s;
        if(s == "NONE") return 16;
        return 16 - (int(s.size()) + 1) / 2;
    };

    ll ans = 1;
    rep(i,3) {
        ll x = f();
        ans *= x * x;
    }
    cout << ans << endl;
}