#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <string>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <list>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;

#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define p(x) cout << x << endl;

#define MOD 1000000007
#define PI 3.14159265359

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    int mr = 0, mg = 0, mb = 0;
    string r, g, b;
    cin >> r >> g >> b;

    if(r != "NONE"){
        mr = 16 - (r.size() - (r.size() / 2));
    }else{
        mr = 16;
    }

    if(g != "NONE"){
        mg = 16 - (g.size() - (g.size() / 2));
    }else{
        mg = 16;
    }

    if(b != "NONE"){
        mb = 16 - (b.size() - (b.size() / 2));
    }else{
        mb = 16;
    }

    int maxColor = mr * mr * mg * mg * mb * mb;

    p(maxColor);
}