using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
namespace Paiza
{
    static class Problem
    {
        static void Main (string[] args)
        {
            int N = int.Parse(Console.ReadLine());
            string S = Console.ReadLine();
            Console.WriteLine(string.Join("", S.Take(S.Length - 1).Skip(1).ToArray()));
        }
    }

}