15(3)

#https://inf-ege.sdamgia.ru/problem?id=61361
for a in range(-100, 100):
    for x in range(0, 100):
        for y in range(0, 100):
            if not (((x + 2 * y) > 48) or (y > x) or (x + 3 * y < a)):
                print(a)