# version 1

with open('input.txt', 'r', encoding='utf8') as f_in:
    nums = [int(line.strip()) for line in f_in]
print('{} + {} = {}'.format(min(nums), max(nums), min(nums) + max(nums)))


# version 2

max_num = float('-inf')
min_num = float('inf')
with open('input.txt', 'r', encoding='utf8') as f_in:
    for line in f_in:
        num = int(line.strip())
        if num > max_num:
            max_num = num
        if num < min_num:
            min_num = num

print('{} + {} = {}'.format(min_num, max_num, min_num + max_num))