package Practice_test;

import java.text.SimpleDateFormat;
import java.util.Random;

import sun.net.www.http.HttpClient;

public class test1 {

	
	public static void main(String[] args) {

		String a1=null;
		String a2="";
		
		if("0".equals(a1)){
			System.out.println(1);
		}else{
			System.out.println(2);
		}
	}
	

}

//SimpleDateFormat dateformat = new SimpleDateFormat("yyyyMMddHHmmss");
//String dateStr = dateformat.format(System.currentTimeMillis());
//System.out.println(dateStr);
//System.out.println(new Random().nextInt(90000000)+ 10000000);
