import java.util.Scanner;

public class Main {

	public static void main(String... args) {

		Scanner sc = new Scanner(System.in);

		String str = sc.next();
		sc.close();



		if (str.matches(".*k.*eyence.*")) {
			System.out.println("YES");
			return;
		}

		if (str.matches(".*ke.*yence.*")) {
			System.out.println("YES");
			return;
		}

		if (str.matches(".*key.*ence.*")) {
			System.out.println("YES");
			return;
		}

		if (str.matches(".*keye.*nce.*")) {
			System.out.println("YES");
			return;
		}

		if (str.matches(".*keyen.*ce.*")) {
			System.out.println("YES");
			return;
		}

		if (str.matches(".*keyenc.*e.*")) {
			System.out.println("YES");
			return;
		}

		if (str.matches(".*keyence.*")) {
			System.out.println("YES");
			return;
		}

		System.out.println("NO");
	}
}
