10. Profit

coin1 = int(input())
coin2 = int(input())
note5 = int(input())
amount = int(input())

for c1 in range(0, coin1 + 1):
    for c2 in range(0, coin2 + 1):
        for n5 in range(0, note5 + 1):
            if amount == (n5 * 5 + c2 * 2 + c1 * 1):
                print(f'{c1} * 1 lv. + {c2} * 2 lv. + {n5} * 5 lv. = {amount} lv.')