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

console.log('How old are you? ')
process.stdin.on('data', (number) => {
    if (number >= 100){
        console.log ('Trop vieux');
    } else {
        console.log(`So, you were born in ${2019 - number}`);
    }
   
    process.exit()
})