P9408 [AtCoder] AtCoder Beginner Contest 160 - Coffee
入门
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