题目描述
A string of length 6 consisting of lowercase English letters is said to be coffee-like if and only if its 3-rd and 4-th characters are equal and its 5-th and 6-th characters are also equal.
Given a string S, determine whether it is coffee-like.
Constraints
- S is a string of length 6 consisting of lowercase English letters.
Input
Input is given from Standard Input in the following format:
S
Output
If S is coffee-like, print Yes; otherwise, print No.
Examples
Input
sippuu
Output
Yes
Input
iphone
Output
No
Input
coffee
Output
Yes
输入格式
见题面
输出格式
见题面
样例输入
coffee
样例输出
Yes