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

console.log('How old are you ? ')
process.stdin.on('data', (number) => {
    if (number > 1 && number <= 99) {
        console.log(`You were born in ${2019 - number}`)
        process.exit()
    } else {
        console.log('You\'re lying or you\'re dumb')
        process.exit()
    }
})