p02723 AtCoder Beginner Contest 160 - Coffee
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
```python
a = input()
print('Yes') if (a[2] == a[3] and a[4] == a[5]) else print('No')
```