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);
genvar i;
generate
for(i=0;i<4;i=i+1)begin
assign y[i]=(s==i)?d:1'b0;
end
endgenerate
endmodule