FourAnd

// 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/FourAnd.hdl

/**
 * 1bit bitwise 4And:
 * for i = 0..15: out[i] = (a[i] and b[i])
 */

CHIP FourAnd {
    IN a, b, c, d;
    OUT out;

    PARTS:
    // Put your code here:

    ThreeAnd(a= a, b = b, c = c, out = q);
    And(a = d, b = q, out = out);

}