using System;
using System.Linq;

namespace probenApp
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] array1 = Console.ReadLine()
                .Split(" ")
                .Select(int.Parse)
                .ToArray();

            int[] array2 = Console.ReadLine()
                .Split(" ")
                .Select(int.Parse)
                .ToArray();

            for (int i = 0; i < array1.Length; i++)
            {
                if (array1[i] != array2[i])
                {
                    Console.WriteLine($"Arrays are not identical. Found difference at {i} index");
                    break;
                }
                else if (array1[i] == array2[i])
                {
                    int sum = array1.Sum();
                    Console.WriteLine($"Arrays are identical. Sum: {sum}");
                    break;
                }
            }
        }

    }
}