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[0]= d&~s[1] &~s[0] ;
assign y[1]= d&~s[1] &s[0] ;
assign y[2]=d&s[1] &~s[0] ;
assign y[3]=d&s[1] &s[0] ;



endmodule