using System;
using System.Linq;
namespace ConsoleApp154
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] firstArray = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
            int[] secondArray = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
            int sum = 0;




            for (int i = 0; i < firstArray.Length; i++)
            {

                sum += firstArray[i];



                if (firstArray[i] != secondArray[i])
                {
                    Console.WriteLine($"Arrays are not identical. Found difference at {i} index");
                    return;
                }
            }
            sum = firstArray.Sum();




                        Console.WriteLine($"Arrays are identical. Sum: {sum}");
                }





            }
        }