#include <bits/stdc++.h>
int main(void) {
  char s[100];
  char k[8] = "keyence";
  int i, ptr = 0, cut = 0, cutted = 0;
  scanf("%s", s);
  for (i = 0; i < strlen(s); i++) {
    if (s[i] == k[ptr]) {
      ptr++;
      if (cut == 1) {
        cutted = 1;
      }
    } else {
      cut = 1;
      if (cutted == 1) {
        ptr = 0;
        break;
      }
    }
  }
  if (ptr >= 7) {
    printf("YES");
  } else {
    printf("NO");
  }
  return 0;
}
