06. Profit

#include <iostream>

using namespace std;

int main()
{
    int number_of_ones, number_of_twos, number_of_fives, total;
    cin >> number_of_ones >> number_of_twos >> number_of_fives >> total;
    for (int ones = 0; ones <= number_of_ones; ones++)
    {
        for (int twoes = 0; twoes <= number_of_twos; twoes++)
        {
            for (int fives = 0; fives <= number_of_fives; fives++)
            {
                int current_total = ones * 1 + twoes * 2 + fives * 5;
                if (total == current_total)
                {
                    printf("%d * 1 lv. + %d * 2 lv. + %d * 5 lv. = %d lv.",
                        ones, twoes, fives, total);
                    cout << endl;
                }
            }
        }
    }
    return 0;
}