PC Store

#include <iostream>
#include <string>

using namespace std;

int main() {

    double procesorPrice, videoPrice, ramPrice;
    cin >> procesorPrice >> videoPrice >> ramPrice;

    int ramCount;
    cin >> ramCount;

    double discount, USDToBGN = 1.57;
    cin >> discount;

    double sum = ((procesorPrice + videoPrice) * (1 - discount) + ramPrice * ramCount) * USDToBGN;

    printf("Money needed - %.2f leva.\n", sum);

    return 0;
}