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;

public class two
{
    public static void Main()
    {
        int[] heights = new int[10];
        for(int i=0; i<10; i++)
        {
            heights[i] = int.Parse(Console.ReadLine());
        }
        sort(heights);
        Console.WriteLine(heights[0]);
        Console.WriteLine(heights[1]);
        Console.WriteLine(heights[2]);
    }
    private static int[] sort(int[] val)
    {//???????????????
        for(int i=0; i<val.Length-1; ++i)
        {
            if (val[i] < val[i + 1])
            {
                int temp = val[i];
                val[i] = val[i + 1];
                val[i + 1] = temp;
            }
        }
        return val;
    }
}