Problem C
Hissing Microphone

A known problem with some microphones is the “hissing s”. That is, sometimes the sound of the letter s is particularly pronounced; it stands out from the rest of the word in an unpleasant way.

Of particular annoyance are words that contain the letter s twice in a row. Words like amiss, kiss, mississippi and even hiss itself.


The input contains a single string on a single line. This string consists of only lowercase letters (no spaces) and has between $1$ and $30$ characters.


Output a single line. If the input string contains two consecutive occurrences of the letter s, then output hiss. Otherwise, output no hiss.

Sample Input 1 Sample Output 1
Sample Input 2 Sample Output 2
no hiss
Sample Input 3 Sample Output 3
CPU Time limit 1 second
Memory limit 1024 MB
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License Creative Commons License (cc by-sa)

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