#include "bits/stdc++.h"
using namespace std;

int main() {
	string s;
	cin >> s;
	string S;
	bool flag = false;

	if ( s.substr(0, 7) == "keyence" || s.substr(s.size()-7, 7) == "keyence" ) flag = true;

	for ( int i = 0; i < 7; i++ ) {
		S = s;
		S.erase(i, s.size() - 7);
		if ( S == "keyence" ) flag = true;
	}

	if ( flag ) cout << "YES" << endl;
	else cout << "NO" << endl;
}
