#!/usr/bin/env python3

with open('input1') as f:

    l = f.readlines()
    n = [int(x) for x in l]
    a, b = next(filter(lambda x: sum(x) == 2020, ((a, b) for a in n for b in n)))
    print(a * b)

    a, b, c = next(filter(lambda x: sum(x) == 2020, ((a, b, c) for a in n for b in n for c in n)))
    print(a * b * c)