#include <bits/stdc++.h>
using namespace std;
int main() {
  string S, keyence;
  int sizedif;
  cin >> S;
  keyence = "keyence";
  sizedif = S.size() - 7;
  for (int k = 0; k < 7; k++) {
    if (S.at(k) != keyence.at(k)) {
      if (S.compare(k + sizedif, 7 - k, keyence, k, 7 - k) == 0)
        cout << "Yes" << endl;
      else
        cout << "No" << endl;
      return 0;
    }
  }
  cout << "Yes" << endl;
}
