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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
mississippi and even
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