14 lines
191 B
Python
14 lines
191 B
Python
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import sys
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import re
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sum = 0
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for line in sys.stdin:
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line = re.sub(r'[^\d]', '', line)
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first = line[0]
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last = line[-1]
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value = int(first + last)
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sum += value
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print(sum)
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