Problem1300--标记-闰年

1300: 标记-闰年

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 973  Solved: 453
[Status] [Submit] [Creator:]

Description

输入5个年份(0<=年份<=3000),判断是否都是闰年,如果都是闰年输出yes,否则输出no

Input

输入5个年份(0<=年份<=3000)

Output

判断是否都是闰年,如果都是闰年输出yes,否则输出no

Sample Input Copy

2000 2004 2008 2012 2015

Sample Output Copy

no

Source/Category

 基础A