import sys
import math
import itertools as it
def I():return int(sys.stdin.readline().replace("\n",""))
def I2():return map(int,sys.stdin.readline().replace("\n","").split())
def S():return str(sys.stdin.readline().replace("\n",""))
def L():return list(sys.stdin.readline().replace("\n",""))
def Intl():return [int(k) for k in sys.stdin.readline().replace("\n","").split()]
def Lx(k):return list(map(lambda x:int(x)*-k,sys.stdin.readline().replace("\n","").split()))

if __name__ == "__main__":
    s = S()
    cnt = 0
    tgt = "keyence"
    for i in range(len(tgt)):
        a,b = tgt[:i],tgt[i:]
        if a in s and b in s:
            print("Yes")
            exit()
    print("No")