how do I solve this problem without calculator?

} 2. What output will be produced by the following code? public class Demo { public static void main(String[] args) { System.out.println("The output is:"); bar(11156): System.out.println(); 3 11.3 Graphics Suppleme { (number 1 10) % 2 == 1; public static void bar(int number) if (number > 0) { int d = number % 10: boolean odd = bar (number | 10): if (odd) System.out.print(d 1 2 + 5): else System.out.print (d 1 2): } } }