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Makefile

@@ -5,6 +5,9 @@ install:
 brain-games: 
 	node bin/brain-games.js
 	node src/cli.js
+brain-even: 
+	node bin/brain-games.js
+	node bin/brain-even.js
 publish:
 	npm publish --dry-run
 lint:

bin/brain-even.js

@@ -0,0 +1,21 @@
+import readlineSync from 'readline-sync';
+import name from '../src/cli.js';
+
+const isEven = (num) => num % 2 == 0;
+let counter = 0;
+do {
+	let rnd = Math.round(Math.random() * 10);
+	console.log(`Question: ${rnd}`);
+	let correctAnswer = isEven(rnd) ? 'yes' : 'no';
+	let answer = readlineSync.question('Your answer: ').toLowerCase();
+	if (correctAnswer == answer) {
+		counter++;
+		console.log('Correct');
+	}
+	else {
+		console.log(`'${answer}' is wrong answer ;(. Correct answer was '${correctAnswer}'`);
+		console.log(`Let's try again, ${name}!`);
+		break;
+	}
+} while (counter < 3);
+if (counter == 3) console.log(`Congratulations, ${name}!`);

bin/brain-games.js

@@ -1,5 +1,3 @@
 #!/usr/bin/env node
 
-
-
 console.log("Welcome to the Brain Games!");