import java.util.*;
/**
* Created by ssdn on 11/29/2016.
*/
public class BetweenTwoSets {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
int m = in.nextInt();
int[] a = new int[n];
for(int a_i=0; a_i < n; a_i++){
a[a_i] = in.nextInt();
}
int[] b = new int[m];
for(int b_i=0; b_i < m; b_i++){
b[b_i] = in.nextInt();
}
int count=0;
for(int i=1;i<=100;i++){
boolean a1=true,a2=true;
label1:
for(int j=0;j