// Some boring code to show on the boss screen
function calculateFactorial(n) {
    if (n === 0) {
        return 1;
    }
    return n * calculateFactorial(n - 1);
}

function isPrime(num) {
    if (num <= 1) return false;
    if (num <= 3) return true;
    if (num % 2 === 0 || num % 3 === 0) return false;
    for (let i = 5; i * i <= num; i += 6) {
        if (num % i === 0 || num % (i + 2) === 0) return false;
    }
    return true;
}

for (let i = 0; i < 1000; i++) {
    console.log(calculateFactorial(i));
    console.log(isPrime(i));
}