import re

S=input()

if re.match("keyence",S) or re.match("^(.*)(keyence)$",S) or re.match("^k([a-x\s]*)(eyence)$",S) or re.match("^(ke)([a-x\s]*)(yence)$",S) or re.match("^(key)([a-x\s]*)(ence)$",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)$",S)  or re.match("^(keyence)(.*)$",S):
    print("YES")
else:
    print("NO")