66. Demultiplexer

How do you plan to solve it?

/*Write your code here*/
module demux1to4 (input d, input [1:0]s,output [3:0]y);
// assign y[s]=d;
reg [3:0]out;
integer i;
always@(*)begin
for(i=0;i<4;i=i+1) begin
    if(s==i)
        out[i]=d;
    else
        out[i]= 1'b0;
end
end
assign y =out;
endmodule