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

console.log('Quel âge as-tu ?');

process.stdin.on('data', number => {
    if (number > 0 && number < 99) {
        console.log(2019 - number);
    } else {
        console.log('What the fuck ?');
     }
    process.exit();
})