new_contents: num1 = int(input())
  num2 = int(input())
  num3 = int(input())
  
  minimum = min(num1, num2, num3)
  maximum = max(num1, num2, num3)
  
  sum = num1 + num2 + num3
  mid = sum - minimum - maximum
  
  if minimum + mid == maximum:
      print("%d + %d = %d" % (minimum, mid, maximum))
  else:
      print("No") 
  
subject: Create 06.Sums3Numbers.py