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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.

### Sample Input 1

sippuu


### Sample Output 1

Yes


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

### Sample Input 2

iphone


### Sample Output 2

No


### Sample Input 3

coffee


### Sample Output 3

Yes