/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class A {
	public int x = 99;
}
 
class B extends A {
	public void f() { 
		x = -1; 
	}
 
	public void g() {
		super.x = 123;
	}
}
 
/* 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
	{
		B b = new B();
		System.out.println(b.x);
		b.f();
		System.out.println(b.x);
		b.g();
		System.out.println(b.x);
	}
}

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