Unicode_Characters

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

namespace _10.Unicode_Characters
{
    class Unicode_Characters
    {
        static void Main(string[] args)
        {
            string str =  Console.ReadLine();
            byte[] unibyte = Encoding.Unicode.GetBytes(str);
            StringBuilder uniString = new StringBuilder();
            for (byte i = 0; i < unibyte.Length; i++)
            {
                if (unibyte[i] > 0)
                {
                    uniString = uniString.AppendFormat("{0}{1}", @"\u", unibyte[i].ToString("X4").ToLower());
                }
            }
            Console.WriteLine(uniString);
        }
    }
}