package swea.array1;
import java.util.Scanner;
public class Solution1206 {
static int n,ans;
static int[] arr;
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
for (int i = 1; i < 11; i++) {
n=sc.nextInt();
arr=new int[n];
for (int j = 0; j < n; j++) {
arr[j]=sc.nextInt();
}
int num=2;
ans=0;
while(num