import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();

        if (s.contains("k") && s.contains("eyence")) {
            System.out.println("YES");
        } else if (s.contains("ke") && s.contains("yence")) {
            System.out.println("YES");
        } else if (s.contains("key") && s.contains("ence")) {
            System.out.println("YES");
        } else if (s.contains("keye") && s.contains("nce")) {
            System.out.println("YES");
        } else if (s.contains("keyen") && s.contains("ce")) {
            System.out.println("YES");
        } else if (s.contains("keyenc") && s.contains("e")) {
            System.out.println("YES");
        } else if (s.contains("keyence")) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}










