06. Profit

//URL FOR THE TASK: https://judge.softuni.bg/Contests/Practice/Index/750#5

#include <iostream>
using namespace std;

int main()
{
    int monets1;
    int monets2;
    int bils5;
    int sum;
    cin >> monets1 >> monets2 >> bils5 >> sum;

    for (int i = 0; i <= monets1; i++)
    {
        for (int j = 0; j <= monets2; j++)
        {
            for (int k = 0; k <= bils5; k++)
            {
                if (i * 1 + j * 2 + k * 5 == sum)
                {
                    cout << i << " * 1 lv. + "
                        << j << " * 2 lv. + "
                        << k << " * 5 lv. = "
                        << sum << " lv." << endl;
                }
            }
        }
    }

    return 0;
}