s = input()

k = 'keyence'

ans = ''
j=0
for i, c in enumerate(s):
  if c == k[i]:
    pass
  else:
    ans = s[0:i]
    s = s[i:]
    j=i
    break

for i, c in enumerate(s):
  if k[j] == c:
    j = i
    ans += s[i:]
    break

if ans == k:
  print('YES')
else:
  print('NO')