S = input()
if len(S) == 7:
  print(['NO','YES']["keyence"==S])
  exit()
i = 0
while i < 7 and S[i] == "keyence"[i]:
  i += 1
  
j = -1
while j >= -7 and S[j] == "keyence"[j]:
  j -= 1
  
j *= -1
j -= 1
print(['NO','YES'][i+j==7])