# 用python编写购买地铁车票的规定如下:乘1-4站，3元/位；乘5-9站，4元/位；乘9站以上，5元/位,
# 编写一个程序:(1) 输入人数、站数，输出应付款；
people = int(input('请输入人数：'))
station = int(input('请输入站数：'))

if 0<station<=4:
    money=people*3
    print(money,"元")

if 4<station<=9:
    money=people*4
    print(money,"元")
if 9<station:
    money=people*5
    print(money,"元")