// 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/01/Xor.hdl

/**
 * Exclusive-or gate:
 * out = not (a == b)
 */

CHIP Xor {
    IN a, b;
    OUT out;

    PARTS:
    Nand(a=a, b=b,out=nand1); 
    Nand(a=a, b=nand1, out=nandout1);
    Nand(a=a, b=nand1, out=nandout2);
    Nand(a=nandout1, b=nandout2, out=out);
}