/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

 class Data{
	static String variable;
    public void init(){
        variable = "a";
    }
}

/* 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
	{
		Data d = new Data();
		d.init();
		System.out.println(Data.variable);
	}
}