using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using static System.Math;
public static class P
{
    public static void Main()
    {
        var s = Console.ReadLine();

        Console.WriteLine(
            Regex.IsMatch(s, ".*keyence") ||
            Regex.IsMatch(s, "k.*eyence") ||
            Regex.IsMatch(s, "ke.*yence") ||
            Regex.IsMatch(s, "key.*ence") ||
            Regex.IsMatch(s, "keye.*nce") ||
            Regex.IsMatch(s, "keyen.*ce") ||
            Regex.IsMatch(s, "keyenc.*e") ||
            Regex.IsMatch(s, "keyence.*") ? "YES" : "NO");
    }
}