DistinctNumbers

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Distinct
{
    class Distinct
    {
        static void Main()
        {
            int[] arr = Console.ReadLine().Split().Select(int.Parse).ToArray();
            int[] res = arr.Distinct().ToArray();
            foreach(int n in res)
            {
                Console.Write(", " + n);
            }
        }
    }
}