text: data = eval(input("Enter an integer (the input exits " + 
      "if the input is 0): "))
  
  # Keep reading data until the input is 0
  sum = 0
  while data != 0:
      sum += data
  
      data = eval(input("Enter an integer (the input exits " +
          "if the input is 0): "))
  
  print("The sum is", sum)
  