import java.util.HashMap;
import java.io.*;
public class noh{
private static HashMap mappe = new HashMap<Integer,Integer>();
     public static void main(String[] args){
		int a=4;
		int i=1;
	
		mappe.put(new Integer(a),new Integer(i));
		mappe.put(new Integer(3),new Integer(0));
		System.out.println(mappe.get(1));
		
	}
}