module task2 #(
    parameter p_width = 4
) (
    output wire [((2*p_width)-1):0] o_w_out,
    input wire [(p_width-1):0] i_w_a,
    input wire [(p_width-1):0] i_w_b,
    input wire i_w_sel
);

    // Implementarea noastra

endmodule