16 lines
318 B
Python
16 lines
318 B
Python
'''****** Задание ********
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*Простая задача.
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'''
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num = int(input())
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prime = True
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if num <= 1:
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prime = False
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else:
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for divisor in range(2, int(num**0.5 + 1)):
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if num % divisor == 0:
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prime = False
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break
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if prime is True:
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print('YES')
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else:
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print('NO') |