#coding:utf-8

def concat(str_list):
    s = ""
    for i in str_list:
        s += i
    return s

in_s = input()
STRNUM = 8
is_key = False
keyence = "keyence"
if keyence in in_s:
    splt_res = in_s.split(keyence)
    if(splt_res[0]=="")|(splt_res[1]==""):
        is_key = True
else:
    for i in range(STRNUM-1):
        str1 = concat(keyence[0:i+1])
        str2 = concat(keyence[i+1:])
        # str1 で分割
        if str1 in in_s:
            splt_res = in_s.split(str1)
            if splt_res[0] == "":
                if str2 in splt_res[1]:
                    splt_res2 = splt_res[1].split(str2)
                    if(splt_res2[0]=="")|(splt_res2[1]==""):
                        is_key = True

if is_key == True:
    print("YES")
else:
    print("NO")