// fulladder.v		T. Manikas	12-5-11
// add bits a and b and carry-in cin to produce sum s and carry-out cout

module full_adder(s,cout,a,b,cin);
	input a,b,cin;
	output s,cout;
	wire w1,w2,w3;
	halfadder HA1(w1,w2,a,b);
	halfadder HA2(s,w3,w1,cin);
	or U1(cout,w2,w3);
endmodule