#include <bits/stdc++.h>
int main() {
  int ans = 0, l = 0, i, ba = 0, p = 0;
  char s[101], k[] = "keyence";
  char *ret;
  scanf("%s", s);
  if ((ret = strstr(s, k)) != NULL) ans = 1;
  while (1) {
    for (i = p; i < strlen(s); ++i) {
      if (s[i] == k[0]) {
        l = i;
        break;
      }
      if (i == strlen(s) - 8) ba = 1;
    }
    p = i + 1;
    for (i = 0;; ++i) {
      if (s[l] == k[i]) {
        l++;
        continue;
      }
      break;
    }
    if ((ret = strstr(&s[l + 1], &k[i + 1])) != NULL) ans = 1;
    if (ans) break;
    if (ba) break;
  }
  if (ans)
    puts("YES");
  else
    puts("NO");
  return 0;
}
