##15 задание
val = True

for a in range(-100, 100):
    val = True
    for x in range(0, 100):
        for y in range(0, 100):
            if ((6*x + 4*y != 34) or (a > 5*x + 3*y) and (a > 4*y + 15*x - 35)) == False:
                val = False
    if val is True:
        print(a)


##23 Задание
bigList = list()

def F(x, arr):
    global bigList
    if x > 20:
        return
    elif x == 20:
        if 9 in arr and 12 in arr:
            bigList.append(arr)
        else:
            return

    F(x+1, arr + [x+1])
    F(x+3, arr + [x+3])
    F(x*2, arr + [x*2])


F(3, [])
print(len(bigList))