#include <bits/stdc++.h>
using namespace std;
int main(){

  string s;
  cin >> s;
  string key = "keyence";
  string k1 = (key.begin(), 2);
  int count = 0;
  int rest = 0;
  for(int i = 0; i < s.size() ; i++){
  	if(count < 2 && s.at(i) == key.at(rest)){
    	for(int j = rest; j < 7; j++){
        	if(i < s.size() && key.at(j) != s.at(i)){

              count += 1;
              rest = j;
              break;
            }
          rest = j;
          i++;
        }
    }
  }

  string out;
  out = (rest == 6)? "YES": "NO";
  cout << out <<endl;
}