#include <bits/stdc++.h>
using namespace std;
int main() {
  string S;
  cin >> S;
  string keye = "keyence";
  bool check = true;
  for (int i = 0; i < keye.size(); ++i) {
    if (S[i] != keye[i]) {
      check = false;
    }
  }
  if (check) {
    cout << "YES" << endl;
    return 0;
  }
  check = true;
  for (int i = S.size() - 1; S.size() - keye.size() >= i; --i) {
    if (S[i] != keye[i]) {
      check = false;
    }
  }
  if (check) {
    cout << "YES" << endl;
  }
  int i = 0;
  while (S[i] == keye[i]) {
    i++;
  }
  while (S[S.size() - (keye.size() - i)] == keye[i]) {
    i++;
  }
  if (i != keye.size()) {
    cout << "YES" << endl;
  } else {
    cout << "NO" << endl;
  }
}
