Week1Mock1MCQ39

// import java.util.*;


public class Main {
    
    
    public static int f(int n) {
        if (n == 0) 
            return 0;
        else
            return f(n/10) + n % 10;
    }
    

    
    public static void main(String[] args) {
        
        // Harbor, Week 1, Mock 1, PR_PracticeTest_1.pdf
        
        // AP CS A 
        
        // MCQ 39
 
        System.out.println(f(8765)); 
        
        // Output: 26 = 8 + 7 + 6 + 5 







    }
}