using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{

    public void Proc()
    {
        int inputCount = int.Parse(Reader.ReadLine());
        string[] input1 = Reader.ReadLine().Split(' ');
        string[] input2 = Reader.ReadLine().Split(' ');
        for (int i = 0; i < inputCount; i++) {
            if(!input1[i].Equals(input2[i])) {
                Console.WriteLine(i+1);
                Console.WriteLine(input1[i]);
                Console.WriteLine(input2[i]);
                return;
            }
        }
    }


    public class Reader
	{
		private static StringReader sr;
		public static bool IsDebug = false;
		public static string ReadLine()
		{
			if (IsDebug)
			{
				if (sr == null)
				{
					sr = new StringReader(InputText.Trim());
				}
				return sr.ReadLine();
			}
			else
			{
				return Console.ReadLine();
			}
		}
		private static string InputText = @"


4
ab cd ef gh
ab cd xx gh


";
	}

	public static void Main(string[] args)
	{
#if DEBUG
		Reader.IsDebug = true;
#endif
		Program prg = new Program();
		prg.Proc();
	}
}