Problem:
Mode Value

Your task is to write a program which reads a sequence of integers and prints mode values of the sequence.
The mode value is the element which occurs most frequently.

Input

A sequence of integers ai (1 ≤ ai ≤ 100). The number of integers is less than or equals to 100.

Output

Print the mode values. If there are several mode values, print them in ascending order.

Sample Input

5
6
3
5
8
7
5
3
9
7
3
4

Output for the Sample Input

3
5

For example, 3 and 5 respectively occur three times, 7 occurs two times, and others occur only one. So, the mode values are 3 and 5.

Solution in C# (judge verdict: Accepted)

using System.Collections.Generic;
using System.Linq;
using System;

public class hello
{
    public static void Main()
    {
        var dict = new Dictionary<int, int>();
        string line;
        for (; (line = Console.ReadLine()) != null;)
        {
            var n= int.Parse(line.Trim());
            if (dict.ContainsKey(n)) dict[n] += 1;
            else dict[n] = 1;
        }
        foreach (var x in dict.OrderBy(x => x.Key).Where(y => y.Value == dict.Max(x => x.Value)))
            Console.WriteLine(x.Key);
   }
}