Reversed chars

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

namespace ExchangeVariableValue
{
    class ExchangeVariableValue
    {
        static void Main(string[] args)
        {
            string firstL = Console.ReadLine();
            string secondL = Console.ReadLine();
            string thithL = Console.ReadLine();

            Console.WriteLine("{0}{1}{2}",thithL,secondL,firstL);
        }
    }
}