import re
input_string = input()
keyence = "keyence"
patterns = ['.*(keyence)', '(k).*(eyence)', '(ke).*(yence)', '(key).*(ence)', '(keye).*(nce)', '(keyen).*(ce)', '(keyenc).*(e)', '(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")