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-----
sippuu

-----Sample Output-----
Yes

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

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