using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<int> nums = Console.ReadLine().Split(' ').Select(int.Parse).ToList();;

        int number = nums[nums.Count -1]; 

        while (nums.Contains(number))

        {

            nums.Remove(number);

        }

        Console.WriteLine(string.Join( ",", nums));

    }

}