using System;
using System.Globalization;
using System.Collections.Generic;
using System.Linq;
using System.Threading;

namespace _07._EqualArrays
{
    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++)
            {
                if (firstArray[i] != secondArray[i])
                {
                    Console.WriteLine($"Arrays are not identical. Found difference at {i} index");
                    return;
                }
            }
            Console.WriteLine("Arrays are identical. Sum: {0}",firstArray.Sum());
        }
    }
}