1 import java.util.Arrays;
2 import java.util.Scanner;
3
4 public class Main{
5 public static void main(String[]args){
6 Scanner in=new Scanner(System.in);
7 int n=0;
8 int[]nums=null;
9 while(in.hasNext()){
10 n=in.nextInt();
11 nums=new int[n];
12 for(int i=0;i<n;i++)
13 nums[i]=in.nextInt();
14 Arrays.sort(nums);
15 System.out.println(nums[n-1]);
16 if(n==1) System.out.println(-1);
17 else{
18 for(int i=0;i<n-2;i++)
19 System.out.print(nums[i]+" ");
20 System.out.println(nums[n-2]);
21
22 }
23 }
24 }
25 }
26 /**************************************************************
27 Problem: 1185
28 User: 0000H
29 Language: Java
30 Result: Accepted
31 Time:980 ms
32 Memory:78572 kb
33 ****************************************************************/
