let currentYear = 2018

process.stdin.resume()
process.stdin.setEncoding('utf8')

console.log('What is your age ?')
process.stdin.on('data', (text) => {

if (text < 100 && text > 0) {
  console.log('Tu as ' + text + ' ans.');
  let birthYear = currentYear - text

  if (birthYear < currentYear) {
    console.log('Tu es ne en ' + birthYear);
  } else {
    console.log('Tu n\'es pas encore né, banane! ');
  }
} else {
  console.log('La valeur doit être comprise entre 0 et 100, recommence.');
}
  process.exit()
})