最小公倍数

while 1:
    s = input('输入：')
    f = input('输入：')
    s = int(s)
    f = int(f)
    if s > f:
        r = s
        h = f
    else:
        r = f
        h = s
    t = r
    if (r == 0 or r == 1) or (h == 0 or h == 1):
        print('错误')
        continue
    while 1:
        if r % h == 0:
            print(r)
            break
        else:
            r = r + t