// Half Adder primitive
module half_adder (
input a, b,
output sum, carry
);
// Write code here
assign sum = a^b;
assign carry = a&b;
endmodule
// Full Adder using 2 Half Adders
module full_adder_struct (
input a, b, cin,
output sum, cout
);
// Write code here
wire s0 , c0, c1;
half_adder h1 (a, b, s0 , c0);
half_adder h2 (cin , s0 , sum , c1);
assign cout = c0|c1;
endmodule