#include <iostream>
#include <math.h>

using namespace std;

int main() {

    int totalPrice = 0, price, count;
    string bars; // svislitka
    char c;
    bool beers;

    //nacitani vstupu
    ios_base::sync_with_stdio(false);

    while(!cin.eof())
    {
        beers = true;

        if(cin.eof()) { break; }
        cin >> price;
        if(cin.eof()) { break; }
        if(cin)
        {
            cin >> c >> c; // nacteni znaku ,-
            beers = false;
        }

        cin.clear();

        if(cin.eof()) { break; }
        cin >> bars;
        if(cin.eof()) { break; }

        count = bars.length();

        if(beers) { totalPrice += count * 42; }
        else { totalPrice += count * price; }
    }

    totalPrice = round(totalPrice / 10.0) * 10;

    cout <<  totalPrice << ",-" << endl;

    return 0;
}