#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  int st = 0;
  int fin = 0;
  int index = 0;
  int ans = 1;
  int pc = 1;
  int pc2 = 1;
  int j, k;
  int l = 1;
  string key = "keyence`";
  cin >> s;
  for (int i = 0; i < s.size(); i++) {
    if (s.at(i) == key.at(index)) {
      index++;
      if (st) fin = 1;
    } else {
      if (st && fin) {
        ans = 0;
        break;
      }
      st = 1;
    }
  }
  for (j = 0; j < 7; j++) {
    if (s.at(j) != key.at(j)) {
      pc = 0;
      break;
    }
  }
  for (k = 6; k > j; k--) {
    if (s.at(s.size() - l) != key.at(k)) {
      pc2 = 0;
      break;
    }
    l++;
  }
  if (ans && index == 7)
    cout << "YES" << endl;
  else if (pc)
    cout << "YES" << endl;
  else if (pc2)
    cout << "YES" << endl;
  else
    cout << "NO" << endl;
}
