# 15(9) РТ

def Del(n, m):
    return n % m == 0


for a in range(1, 1000):
    a_podoshel = True
    for x in range(1, 1000):
        if (((Del(x, a) and Del(x,14))) <= Del(x,70)) == False:
            a_podoshel = False
            break
    if a_podoshel == True:
        print(a)
# 15(9) РТ