/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(sum(5, 3) + " " + sum(15, 12));
	}
 
	public static int sum(int a, int b)
	{
		if ((a & b) == (a ^ a)) return a | b;
		int c = a >> 1;
		int d = b >> 1;
		int s = a & 1;
		int t = b & 1;
		return sum(c, d + t) + sum(d, c + s);
	}
}

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