`timescale 1ns/1ns module main_mod( input clk, input rst_n, input [7:0]a, input [7:0]b, input [7:0]c, output [7:0]d ); wire [7:0]c1; wire [7:0]c2; wire [7:0] d_buff; assign d = d_buff; mod uut1( .clk(clk), .rst_n(rst_n), .a(a), .b(b), .c(c1) ); mod uut2( .clk(clk), .rst_n(rst_n), .a(a), .b(c), .c(c2...