Timus: 1573 - Alchemy

#include <iostream>

using namespace std;

int main()
{
    int a, b, c;
    cin >> a >> b >> c;
    int k;
    cin >> k;

    long long res = 1;
    string s;

    for(int i=0; i<k; i++)
    {
        cin >> s;
        if(s == "Blue")
            res*=a;
        else if(s == "Red")
            res*=b;
        else
            res*=c;
    }

    cout << res << endl;

    return 0;
}