import java.util.Scanner;
public class Main{
	private static Scanner sc=new Scanner(System.in);
	public static void main(String args[])throws Exception{
		int n=Integer.parseInt(sc.nextLine());
		String are1[]=sc.nextLine().split(" ");
		String are2[]=sc.nextLine().split(" ");
		for(int i=0;i<are1.length;i++){
			if(!are1[i].equals(are2[i])){
				n=i+1;break;
			}
		}System.out.println(n);
		System.out.println(are1[n-1]);
		System.out.println(are2[n-1]);
	}
}