a=40

while a<50:
    if (a/6*6==a):
        print ('6 is a factor')
        break
    else: a=a+6
    print ('6 is not a factor')
    break

while a<50:
    if (a/9*9==a):
        print ('9 is a factor')
        break
    else: a=a+9
    print ('9 is not a factor')
    break


while a<50:
    if (a/20*20==a):
        print ('20 is a factor')
        break
    else: a=a+20
    print ('20 is not a factor')
    break