using System;
    class Program {
        static void Main(string[] args) {
            string read = Console.ReadLine();
            int n = int.Parse(read);
            string[] s = Console.ReadLine().Split(' ');
            string[] t = Console.ReadLine().Split(' ');
            int i = 0;
            for (; i < n; i++) {
                if (s[i] != t[i]) break;
            }

            Console.WriteLine(i + 1);
            Console.WriteLine(s[i]);
            Console.WriteLine(t[i]);
        }
    }