s=input()
n=len(s)
k=list('keyence')
ans='NO'
cnt=[0]*n
final=0
j=0
for i in range(n):
    if s[i]==k[j]:
        cnt[i]=1
        j+=1
for i in range(n-1):
    if cnt[i]!=cnt[i+1]:
        final+=1
if cnt[0]==0 and final==1:
    ans='YES'
elif cnt[0]==1 and final==2:
    ans='YES'
if n==7 and final==0:
    ans='YES'
print(ans)