#include <iostream>

int main() {
	int a, b, minsMore, pay = 0;
	std::cout << "minutes more: ";
	std::cin >> minsMore;
	std::cout << "tarif: ";
	std::cin >> a;
	std::cout << "Less mins cost: ";
	std::cin >> b;
	pay = a * 10;

	std::cout << "Summary pay: " << pay + b * minsMore;
	return 0;
}