2. Fan-Out Wire

How do you plan to solve it?

module top_module(input a,output y1,y2,y3);
    wire w1,w2,w3;
    assign w1=a;
    assign w2=a;
    assign w3=a;
    assign y1=w1;
    assign y2=w2;
    assign y3=w3;
endmodule