medule PA (x,y, cin, cout, s); input x,y, cin; output cout, assign s=xy cin; assign cout =x&yx&ciny&ccin; endmodule Figure Q3(c)(ii) (ii) Write a full Verilog program to model the given circuit by using the FA module given in Figure Q3(c)(ii). (iii) If the inpur x4,y5 and C=1n1, determine the values of b,N,z,V and Cous