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.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class Main {
	public static void main(String[] a) {

		//????????¶?????\??????????????????
		Scanner scan = new Scanner(System.in);

		// TODO ?????????????????????????????????????????????
		//??????????????????
		ArrayList<Integer> list = new ArrayList<Integer>();
		//????????¶???????????????????????°??????????????????
		for(int i =0; i<10; i++){
			String stra = scan.next();
			int str = Integer.parseInt(stra);
			 list.add(str);
		}

		//????????????
		scan.close();

		//?????????
		Collections.sort(list);
		//??????
		System.out.println(list.get(9));
		System.out.println(list.get(8));
		System.out.println(list.get(7));

	}

}