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

console.log('How old are you ? ')
process.stdin.on('data', (number) => {
    if(number > 0 && number < 100){
        console.log("Vous êtes né depuis" + (2019 - number));
    }
    else {
        console.log('C\'est faux !');
    }
  process.exit()
})