s=str(input())
num=len(s)-7

ans="NO"

if num==0:
    if s=="keyence":
        ans="YES"

s=s+"!"

s1=""
s2=s[0:num]
s3=s[num:]

for _ in range(8):
    print(s1,s2,s3)
    if s1+s3=='keyence!':
        ans="YES"
        break
    s1=s1+s2[0]
    s2=s2[1:]+s3[0]
    s3=s3[1:]

print(ans)