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

console.log("How old are you, my dear ?")

process.stdin.on("data", (age) => {
	const thisYear = 2018
	let birthYear


	if (!isNaN(age)) {

		  if (age <= 99 && age > 0) {
			  birthYear = thisYear - age
			  console.log("Sooooo, you were born in " + birthYear + " !")
		} else {
			  console.log("I'm pretty sure you aren't a feotus! Your age must be less or equal than 99 !")
		}

	} else {
		console.log("You must give me a whole number :) ")
	}

	process.exit()
})