using System;
class Program
{
    static void Main(string[] args)
    {
        int[] tabel = new int[100];
        int getal = int.Parse(Console.ReadLine());
        int teller = 0;
        int laagstegetal = getal;
        while(0 <= getal && getal <100)
        {
            if( getal < laagstegetal)
            {
                laagstegetal = getal;
            }
            tabel[getal] = tabel[getal]+1;
            getal = int.Parse(Console.ReadLine());
        }
        if(0 <= laagstegetal && laagstegetal < 100)
        {
            Console.Write(laagstegetal);
            teller = laagstegetal;
        }
        while(teller < 99)
        {
            teller++;
            if(0 < tabel[teller])
            {
                Console.Write(" " + teller);
            }
        }
    }
}