Score : $100$ points

Problem Statement

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.

sippuu

Yes

In sippuu, the $3$-rd and $4$-th characters are equal, and the $5$-th and $6$-th characters are also equal.

iphone

No

coffee

Yes