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('You were born in  ' + age)
    }
    else {
        console.log('LIAAARS ')
    }
  process.exit()
})