18 lines
350 B
Python
18 lines
350 B
Python
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#!/usr/bin/env python
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import functools
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import itertools
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import operator
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import sys
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def main() -> None:
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values = [int(n) for n in sys.stdin.readlines()]
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for tup in itertools.combinations(values, 2):
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if sum(tup) == 2020:
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print(functools.reduce(operator.mul, tup))
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break
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if __name__ == "__main__":
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main()
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