11 lines
210 B
Python
11 lines
210 B
Python
if __name__ == "__main__":
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S = input()
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cnt = 0
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now = 0
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find = S.find("DKSH", now)
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while find != -1:
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cnt += 1
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now = find + 4
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find = S.find("DKSH", now)
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print(cnt)
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