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 C# (judge verdict: Wrong Answer)

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.IO;
class ListOfTopThreeHills
{
	static void Main(string[] args)
	{
		List<int> inputList = new List<int>();
		string line = null;
		int lineCount = 0;
		do {
			line = Console.ReadLine();
			if (string.IsNullOrEmpty(line))
			{
				break;
			}
			int inputNum = 0;
			try
			{
				inputNum = Convert.ToInt32(line);
			}
			catch (FormatException)
			{
				return;
			}
			inputList.Add(inputNum);
			lineCount++;
			if (lineCount == 10)
			{
				break;
			}
		} while (true);
		// 引数リストソート
		inputList.Sort();
		// 降順に変更
		inputList.Reverse();
		// 上位3つを出力
		Console.WriteLine("並び替え結果を出力します");
		for (int i = 0; i < 3; i++)
		{
			Console.WriteLine(inputList[i]);
		}
		return;
	}
}