#include <stdio.h>
int main(void){
  int i,l=0,ha=0,ta=0;
  char s[101],h[8]="keyence";
  scanf("%s",s);
  while (s[l]) l++;
  for (i=0;i<7;i++){
    if (s[i]!=h[i]) break;
    ha++;
  }
  for (i=0;i<7;i++){
    if (s[l-1-i]!=h[6-i]) break;
    ta++;
  }
  printf("%s\n",(ha+ta>=7)? "YES":"NO");
  return 0;
}