#include <bits/stdc++.h>
using namespace std;
const int c_YET = -1;
const int INF = 1e9 + 1;
const long long LLINF = 1e17 + 1;
const int DX[9] = {0, 0, 1, -1, 1, 1, -1, -1, 0};
const int DY[9] = {1, -1, 0, 0, 1, -1, 1, -1, 0};
const long long MOD = 1e9 + 7;
const double PI = 3.14159265358979323846264338327950288;
int main() {
  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);
  cout << fixed << setprecision(30);
  string S;
  cin >> S;
  string ans = "keyence";
  int index = 0;
  bool past = false;
  int count = 0;
  for (int i = 0; i < S.length(); i++) {
    if (S[i] == ans[index]) {
      index++;
      past = false;
      if (index == 7) {
        break;
      }
    } else {
      if (!past) {
        count++;
        past = true;
      }
    }
  }
  if (count <= 1 && index == 7) {
    cout << "YES";
    return 0;
  } else {
    cout << "NO";
  }
}
