19 lines
346 B
Python
19 lines
346 B
Python
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import re
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def check_number_divisible_by_5(input_string):
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pattern = r'^(hi){2,}\!*$'
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if re.match(pattern, input_string):
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print('yes')
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else:
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print('no')
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if __name__ == "__main__":
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try:
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while True:
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line = input()
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check_number_divisible_by_5(line)
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except EOFError:
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pass
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