5260: ABC160 —— Task A：Coffee
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Description
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.
S is a string of length 6 consisting of lowercase English letters.
Given a string S, determine whether it is coffee-like.
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 1 Input
sippuu
Sample 1 Output
Yes
In sippuu, the 3-rd and 4-th characters are equal, and the 5-th and 6-th characters are also equal.
Sample 2 Input
iphone
Sample 2 Output
No
Sample 3 Input
coffee
Sample 3 Output
Yes