#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  cin >> s;
  int s_length = 0;
  string word = "keyence";
  int i;
  if (s.length() >= word.length()) {
    for (i = 0; i < word.length(); i++) {
      if (s.at(i) != word.at(i)) {
        break;
      }
      s_length++;
    }
    if (s_length != word.length()) {
      int diff = s.length() - word.length();
      for (i = s.length() - 1; i > -1; i--) {
        if (s.at(i) != word.at(i - diff)) {
          break;
        }
        s_length++;
      }
    }
  }
  cout << (s_length == word.length() ? "YES" : "NO") << endl;
  return 0;
}
