a = "keyence"

b = input()
o = 0
k = len(b)
j = 0
jj = 0
kk = [0 for i in range(8)]
al = 0
if k == 7:
	if a == b:
		print("YES")
	else:
		print("NO")
elif k >= 8:
	for i in range(k):
		if j == 7:
			al = 1
			o = k
			break
		if b[i] == a[j] and jj == 0:
			j += 1
		else:
			jj = 1
			o = j
		if jj == 1:
			if b[:-(o+1)] == a[:o]:
				print("YES")
				break
			else:
				print("NO")
				break
else:
	print("NO")

