#!/usr/bin/python

fd = open("input", "r")
lines = fd.readlines()
lines = [i.rstrip() for i in lines]
mustbreak = False

def part1():
    for i in lines:
        for j in lines:
            if int(i) + int(j) == 2020:
                print("{} * {} = {}".format(int(i), int(j), int(i) * int(j)))
                return

def part2():
    for i in lines:
        for j in lines:
            for k in lines:
                if int(i) + int(j) + int(k) == 2020:
                    print("{} * {} * {} = {}".format(int(i), int(j), int(k),  int(i) * int(j) * int(k)))
                    return

part1()
part2()