// UDP for full-adder carry-out function
primitive coutprm (cout, a, b, cin);
    output cout;
    input  a, b, cin;
// Truth table for the carry-out function
    table
//   a  b  cin  :  cout
     0  0   0   :    0;
     0  0   1   :    0;
     0  1   0   :    0;
     0  1   1   :    1;
     1  0   0   :    0;
     1  0   1   :    1;
     1  1   0   :    1;
     1  1   1   :    1;
    endtable
endprimitive

// UDP for full-adder sum function
primitive sumprm (sum, a, b, cin);
    output sum;
    input  a, b, cin;
// Truth table for the sum function
    table
//   a  b  cin  :  sum


 // PUT YOUR EIGHT LINES OF CODE HERE

    endtable
endprimitive

// Model a full-adder
module fadd (cout, sum, a, b, cin);
   output cout, sum;
   input  a, b, cin;
   wire   a, b, cin;  //Not necessary default type is wire
   wire   cout, sum;  //Not necessary default type is wire
   coutprm u1 (PUT PROPER NETLIST HERE);
   sumprm  u2 (PUT PROPER NETLIST HERE);
endmodule

// Testbench for full-adder
module testfadd;
  reg a, b, cin;
  wire cout, sum;
  fadd u1 (cout, sum, a, b, cin);
  initial
     begin
       $stop;
       #10;
       a=1'b0; b=1'b0; cin=1'b0;
       #10;
       a=1'b0; b=1'b0; cin=1'b1;
       #10;
       a=1'b0; b=1'b1; cin=1'b0;
       #10;
       a=1'b0; b=1'b1; cin=1'b1;
       #10;
       a=1'b1; b=1'b0; cin=1'b0;
       #10;
       a=1'b1; b=1'b0; cin=1'b1;
       #10;
       a=1'b1; b=1'b1; cin=1'b0;
       #10;
       a=1'b1; b=1'b1; cin=1'b1;
       #10;
       $stop;
   end
endmodule