#!/usr/bin/env python3
from itertools import permutations
with open('input', 'r') as f:
    content = list(map(int, (map(str.strip, f.readlines()))))
perms = permutations(content, 2)

for perm in perms:
    perm_sum = perm[0] + perm[1]
    if perm_sum == 2020:
        print('{} * {} = {}'.format(perm[0], perm[1], perm[0]*perm[1]))