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);
    integer i;
    always @* begin
    for(i=0;i<4;i=i+1)
     begin
        y[i] = (s == i) ? d : 1'b0;
     end
end
endmodule