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;
    case (s)
    2'b00: y[0] = d;
    2'b01: y[1] = d;
    2'b10: y[2] = d;
    2'b11: y[3] = d;
    endcase
end
endmodule