Q2

public class Q2 {
    public static void main(String[] args) {
        System.out.println(secret1(937, 5));

    }

    public static boolean secret1(int num, int digit) {
        if(num<10)
            return (num%2 == digit%2);
        if(num%2 != digit%2)
            return  false;
        return secret1(num/10, digit);
    }
}