/**
 * 16-bit incrementer:
 * out = in + 1 (arithmetic addition)
 */

`default_nettype none
module Inc16(
    input [15:0] in,
    output [15:0] out
);

    // Put your code here:
    wire [15:0] incr;
    assign incr[15:0] = 16'b1;
    Add16 ADD(in, incr, out);
    // or just:
    //assign out = in + 1;
endmodule