// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/1/Xor.hdl
/**
 * Exclusive-or gate:
 * if ((a and Not(b)) or (Not(a) and b)) out = 1, else out = 0
 */
CHIP Xor {
    IN a, b;
    OUT out;
    PARTS:

    Not(in=a , out=nota );
    Not(in=b , out=notb );

    And(a= a, b= notb , out= aAndNotB );
    And(a= b, b=  nota, out= bAndNotA );

    Or(a= aAndNotB, b=bAndNotA , out= out);

    //// Replace this comment with your code.
}