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hackerrank

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Mars Exploration.py

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executable file

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7 lines (5 loc) · 150 Bytes

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hackerrank

/

Mars Exploration.py

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executable file

·

7 lines (5 loc) · 150 Bytes

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__author__ = 'Senyutina'

mars = input()

n = int(len(mars)/3)

str_id = 'SOS'*n

print(sum(1 for i in range(len(mars)) if mars[i] != str_id[i]))

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