#include <bits/stdc++.h>
using namespace std;
template <class T>
bool ckmin(T& a, const T& b) {
  return b < a ? a = b, 1 : 0;
}
template <class T>
bool ckmax(T& a, const T& b) {
  return a < b ? a = b, 1 : 0;
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const long double pii = 3.14159265359;
const int MOD = 1000000007;
const char nl = '\n';
const int MX = 200001;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  string str;
  cin >> str;
  int N = (int)(str).size();
  string k = "keyence";
  int p1 = 0, p2 = (int)(k).size() - 1;
  for (int x = 0; x < (min(N, (int)(k).size())); x++) {
    if (str[x] != k[p1]) break;
    p1++;
  }
  for (int x = (min(N, (int)(k).size())) - 1; x >= 0; x--) {
    if (str[x] != k[p2]) break;
    p2--;
  }
  if (p1 + N - p2 + 2 >= (int)(k).size())
    cout << "YES";
  else
    cout << "NO";
  return 0;
}
