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<16;i=i+1) begin 
    if(s==i) y[i] = d;
    else y[i] = 1'b0;
end
end
endmodule