66. Demultiplexer

How do you plan to solve it?

/*Write your code here*/
module demux1to4(
    input d,
    input[1:0]s,
    output reg[3:0]y
);
always@(*)begin
    y = 4'b0000;
    if(s==2'b00)
    y[0]=d;
    else if(s==2'b01)
    y[1]=d;
    else if(s==2'b10)
    y[2]=d;
    else
    y[3]=d;
end
endmodule