file = open('input.txt','r')

nums = []

for val in file:
    nums.append(int(val))

for num1 in nums:
    for num2 in nums:
        for num3 in nums:
            res = num1 + num2 + num3
            #print(str(num1) + " + " + str(num2) + ' = ' + str(res))
            if res == 2020:
                print(str(num1) + ' * ' + str(num2) + ' = ' + str(num1 * num2 * num3))