31 lines
532 B
Python
31 lines
532 B
Python
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#!/usr/bin/python
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import re
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def read_file(filename):
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file = open(filename, 'r')
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while True:
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line = file.readline()
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if not line:
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break
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yield line
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def main():
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length = 0
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for line in read_file('input'):
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match = re.match(r'(\d+)x(\d+)x(\d+)', line)
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l1 = int(match.group(1))
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l2 = int(match.group(2))
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l3 = int(match.group(3))
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length= length + 2*min(l1+l2, l1+l3, l2+l3) + l1*l2*l3
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print length
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if __name__ == "__main__":
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main()
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