05. Small Shop

#include <iostream>

using namespace std;

int main() {
    string product, town;
    cin >> product >> town;

    double quantity;
    cin >> quantity;

    double sum = 0;

    if (town == "Sofia") {
        if (product == "coffee") {
            sum = 0.5;
        }
        else if (product == "water") {
            sum = 0.8;
        }
        else if (product == "beer") {
            sum = 1.2;
        }
        else if (product == "sweets") {
            sum = 1.45;
        }
        else if (product == "peanuts") {
            sum = 1.6;
        }
    }
    else if (town == "Plovdiv") {
        if (product == "coffee") {
            sum = 0.4;
        }
        else if (product == "water") {
            sum = 0.7;
        }
        else if (product == "beer") {
            sum = 1.15;
        }
        else if (product == "sweets") {
            sum = 1.30;
        }
        else if (product == "peanuts") {
            sum = 1.5;
        }
    }
    else if (town == "Varna") {
        if (product == "coffee") {
            sum = 0.45;
        }
        else if (product == "water") {
            sum = 0.7;
        }
        else if (product == "beer") {
            sum = 1.1;
        }
        else if (product == "sweets") {
            sum = 1.35;
        }
        else if (product == "peanuts") {
            sum = 1.55;
        }
    }

    cout << sum * quantity << endl;;

    return 0;
}