// 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/Or.hdl
/**
 * Or gate:
 * if (a or b) out = 1, else out = 0 
 */
CHIP Or {
    IN a, b;
    OUT out;

    PARTS:
    //// Replace this comment with your code.
    Nand(a=a, b=a, out=nanda);  
    Nand(a=b, b=b, out=nandb); 
    Nand(a=nanda , b=nandb , out=out); 

}