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 == 'keyence'
  puts 'YES'
else
  puts 'NO'
end
