line = gets.chomp

if line.match(/k.+eyence/) ||
    line.match(/ke.+yence/) ||
    line.match(/key.+ence/) ||
    line.match(/keye.+nce/) ||
    line.match(/keyen.+ce/) ||
    line.match(/keyenc.+e/) ||
    line.match(/keyence.*/) ||
    line.match(/.*keyence/) ||
    line.include?('keyence')
  puts 'YES'
else
  puts 'NO'
end

