/* 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
{
 
	private static void recursividad(int i, int j){
		System.out.println("I: " + i + " J: " +j);
 
		if(i != 0){
			recursividad(i-1,j);
		}
		if(j != 0){
			recursividad(i,j-1);
		}
		if(i == 0) {
		System.out.println("FIN I");
		}
		if(j == 0) {
		System.out.println("FIN j");
		}
	}
 
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		recursividad(2,2);
	}
}

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