import re
s = input()
matches = []
matches.append(re.compile(r'\w*keyence').search(s))
matches.append(re.compile(r'k\w*eyence').search(s))
matches.append(re.compile(r'ke\w*yence').search(s))
matches.append(re.compile(r'key\w*ence').search(s))
matches.append(re.compile(r'keye\w*nce').search(s))
matches.append(re.compile(r'keyen\w*ce').search(s))
matches.append(re.compile(r'keyenc\w*e').search(s))
matches.append(re.compile(r'keyence\w*').search(s))

if matches.count(None) != len(matches):
	print('YES')
else:
	print('NO')