Magic of predicting sum of five 4 digit numbers

Once you enter the first number, I will predict the sum of five 4-digit numbers.

Then, you will enter your second number.

Next, I will reveal my first number.

Finally, you will enter your third number, and I will reveal my second number.

If you add your three numbers and my two numbers, you will be amazed to see that my predicted number matches your answer.

Of course, your calculations must be correct!

Enter a 4-digit number:

Predict Sum of Five Numbers

Enter a second number:

Show Computer Number 1

Enter a third number:

Show Computer Number 2

Show All Numbers and Message