时间换算

def f():
    global h
    global s
    global m
    log=int(input(":"))
    if log >=3600:
      h = log // 3600
      log = log % 3600
      if log>60:
          m = log // 60
          log=log%60

          s=log
      if 0<log<60:
          m=0
          s=log


    elif 60 <= log < 3600:
      h=0
      s=log%60
      m=log//60
    elif 0<log<60:
        h=0
        m=0
        s=log
    else:
        print("输入有误")
    print("时间为{a}'{b}'{c}".format(a=h,b=m,c=s))
if __name__ == '__main__':
    f()