2. Fan-Out Wire

How do you plan to solve it?

module top_module(
    input a,output y1,y2,y3// Declare Inputs and outputs here
);
    wire a1,a2,a3;
    assign {a1,a2,a3}={a,a,a};
    assign {y1,y2,y3}={a1,a2,a3};
    // Module functionality here

endmodule