11613: 最简单的难题

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:2 Solved:0

Description

我们定义F(0) = 7, F(1) = 11, F(n) = F(n - 1) + F(n - 2)

Input

输入数据包括多行,每行一个个数字nn < 1,000,000

Output

如果F(n)能被3整除就输出yes,不能则输出no

Sample Input Copy

0
1
2
3
4
5

Sample Output Copy

no
no
yes
no
no
no