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