import re
input_string = input()
keyence = "keyence"
patterns = ['k.*eyence', 'ke.*yence', 'key.*ence', 'keye.*nce', 'keyen.*ce', 'keyenc.*e', '.*keyence', 'keyence.*']
flag = False
for i in range(len(patterns)):
    if re.match(patterns[i], input_string):
        flag = True
        break
if flag == True:
    print("YES")
else:
    print("NO")