UniCodeCharacters

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

namespace ConsoleApplication7
{
    class Program
    {

        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            Console.WriteLine(ConvertToUtfSymbols(input));
        }
       static string ConvertToUtfSymbols(string input)
        {
            char[] arrayOfSymbols = input.ToCharArray();
            StringBuilder output = new StringBuilder();
            foreach (var letter in arrayOfSymbols)
            {
                output.Append(("\\u" + ((int)letter).ToString("X4")).ToLower());
            }
            string final = output.ToString();
            return final;
        }


    }
}