#include <iostream>
using namespace std;

int main() {
    string a, b, c;
    int d;
    int bonus = 0;
    while (cin >> a ) { // 注意 while 处理多个 case
        if (a == "#") {
            break;
        }
        if (a == "0") {
            cout << bonus << endl;
            bonus = 0;
            continue;
        }

        cin >> b >> d >> c;

        if (c == "F") {
            bonus += d * 2;
        } else if (c == "B") {
            bonus += d * 1.5;
            if (d % 2 == 1) {
                bonus++;
            }
        } else if (c == "Y") {
            if (d > 500)
                bonus += d;
            else bonus += 500;
        }
    }
}

// 64 位输出请用 printf("%lld")