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

console.log('What\'s your age ? ')
process.stdin.on('data', (number) => {
  if(number<=99){
  console.log('You are born in ' + (2019 - number))
  }
  else{
    console.log("Nop")
  }
  process.exit()
})