`timescale 1ns/1ns module top_module( input a, b, c, d, e, output [24:0] out ); wire [24:0] aaaaa; wire [24:0] abcde; assign aaaaa = {{5{a}},{5{b}},{5{c}},{5{d}},{5{e}}}; assign abcde = {5{a,b,c,d,e}}; assign out = aaaaa ~^ abcde; endmodule