s=input()
x='keyence'
if s==x:
  print('YES')
  exit()
if s.count(x)>0:
  p=s.split('keyence')
  if p[0]=='' or p[1]=='':
    print('YES')
    exit()
  elif p[0]+p[1]=='keyence':
    print('YES')
    exit()
for i in range(1,len(x)):
  a=x[:i]
  b=x[i:]
  if s.index(a)==0 and s[len(s)-len(b):]==b:
    print('YES')
    exit()
  else:
    continue
print('NO')
