Savings

#include <iostream>
#include <string>

using namespace std;

int main() {
    double salary;
    cin >> salary;

    int months;
    cin >> months;

    double minimalCosts;
    cin >> minimalCosts;

    double monthlySavings = salary * 0.70 - minimalCosts;

    printf("She can save %.2f%%\n%.2f", monthlySavings / salary * 100, monthlySavings * months);

    return 0;
}