#include <bits/stdc++.h>
int main() {
  int cnt;
  char str[100] = {
      0,
  };
  char keyence[] = "keyence";
  int match[7] = {
      0,
  };
  int i, j;
  int m_cnt = 0;
  int skip = 0;
  int m_2nd = 0;
  int len;
  cnt = scanf("%s", str);
  len = strlen(str);
  for (i = 0; i < len; i++) {
    for (j = 0; j < 7; j++) {
      if (match[j] != 0) continue;
      if (keyence[j] == str[i]) {
        match[j] = 1;
        m_cnt++;
        if (skip > 0) {
          m_2nd++;
        }
        break;
      } else {
        if (m_2nd != 0) {
          printf("NO");
          return 0;
        }
        if (m_cnt > 0) {
          skip++;
        }
        break;
      }
    }
    if (m_cnt == 7) {
      printf("YES");
      return 0;
    }
  }
  printf("NO");
  return 0;
}
