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

console.log('How old are you ? ')
process.stdin.on('data', (text) => {
  if (text > 0 && text < 100) {
    let age = 2019 - text
    console.log('Hello you were born in... ' + age)
  } else {
    console.log("Don't fuck with me kidd")
  }

  process.exit()
})