import re

S=input()

if re.match("keyence",S) or re.match("^([a-x\s]+)(keyence)$",S) or re.match("^k([a-x\s]+)(eyence)$",S) or re.match("^(ke)([a-x\s]+)(yence)$",S) or re.match("^(key)(.+)(ence)$",S) or re.match("^(keye)([a-x\s]+)(nce)$",S) or re.match("^(keyen)([a-x\s]+)(ce)$",S) or re.match("^(keyenc)([a-x\s]+)(e)$",S)  or re.match("^keyence([a-x\s]+)$",S):
    print("YES")
else:
    print("NO")