1
2 2
1 1
1 2
 1
1 3
3
1 2 3
 1
1 1
1000
1000
 1
2 2
2 2
2 2
 5
4 5
10 8 6 4
1 2 3 4 5
1 1
3
3
1 1
3
2
5 3
1000 2 2 2 3
3 1 5
5 5
1 2 3 4 5
1 2 3 4 5
 1
4 4
1 1 1 1
1 2 3 4
 1
2 3
1 1
1 2 3

YES
1 1
 YES
1 3
 YES
1 1000
 YES
1 2
 YES
1 4
YES
1 3
NO
YES
1 3
YES
1 1
 YES
1 1
 YES
1 1

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);
		
		int t= in.nextInt();
		int n=in.nextInt();
		int m=in.nextInt();
		
		int[] a1 = new int[n];
		int[] a2 = new int[m];
		
		for(int i = 0;i<n;i++) {
			a1[i] = in.nextInt();
		}
		for(int i = 0;i<m;i++) {
			a2[i] = in.nextInt();
		}
		int c=0;
		for(int i = 0;i<n;i++) {
			for(int j=0;j<m;j++) {
				if(a1[i] ==a2[j]) {
					c++;
					System.out.println("YES");
					System.out.println(c +" "+a2[j]);
					return;
				}
				else {
					System.out.println("NO");
					return ;
				}
			}
		}

		in.close();
	}

}
