Enter two values between 0-255.
Value a: 85
Value b: 15
Original values: a = 01010101, b = 00001111
After a = a ^ b: a = 01011010, b = 00001111
After b = a ^ b: a = 01011010, b = 01010101
After a = a ^ b: a = 00001111, b = 01010101
Now a is: 15 (00001111)
And b is: 85 (01010101)
Example output is: