Problem:
List of Top 3 Hills

There is a data which provides heights (in meter) of mountains. The data is only for ten mountains.

Write a program which prints heights of the top three mountains in descending order.

Input

Height of mountain 1
Height of mountain 2
Height of mountain 3
.
.
Height of mountain 10

Constraints

0 ≤ height of mountain (integer) ≤ 10,000

Output

Height of the 1st mountain
Height of the 2nd mountain
Height of the 3rd mountain

Sample Input 1

1819
2003
876
2840
1723
1673
3776
2848
1592
922

Output for the Sample Input 1

3776
2848
2840

Sample Input 2

100
200
300
400
500
600
700
800
900
900

Output for the Sample Input 2

900
900
800

Solution in JAVA (judge verdict: Accepted)

import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

class Main {

    public static void main(String[] args) {
        doit(args, new Scanner(System.in), System.out);
    }

    static void doit(String[] args, Scanner scanner, PrintStream out) {
        List<Integer> heights = new ArrayList<Integer>();
        for (int i = 0; i < 10; i++) {
            int h = scanner.nextInt();
            heights.add(h);
        }
        Collections.sort(heights, new Comparator<Integer>() {

            @Override
            public int compare(Integer o1, Integer o2) {
                return o2.compareTo(o1);
            }
        });
        for (int i = 0; i < 3; i++) {
            out.println(heights.get(i));
        }
    }
}