node.js quete

process.stdin.resume() 
process.stdin.setEncoding('utf8') 
console.log('How old are you? ')
var age = 0;
process.stdin.on('data', (age) => {
	if(!isNaN(age) && age < 99 && age > 0){
		bothYear = 2017-age
    	console.log('You\'re both in ' + bothYear)
	}else {
		console.log('Please enter number when give you\'re age or check you entered a correct age')
	}

    process.exit()
})