16 lines
226 B
Python
16 lines
226 B
Python
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#!/usr/bin/env python
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from sys import stdin
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import re
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def read_line():
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for line in stdin:
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yield line
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sum = 0
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for line in read_line():
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digits = re.sub("[^\d]", "", line)
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sum += int(digits[0] + digits[-1])
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print(sum)
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