import re

if re.match("keyence",S) or re.match("^(.*)(keyence)$",S) or re.match("^k(.*)(eyence)$",S) or re.match("^(ke)(.*)(yence)$",S) or re.match("^(key)(.*)(ence)$",S) or re.match("^(keye)(.*)(nce)$",S) or re.match("^(keyen)(.*)(ce)$",S) or re.match("^(keyenc)(.*)(e)$",S)  or re.match("^(keyence)(.*)$",S):
    print("YES")
else:
    print("NO")