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

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

public class Main {
  public static void main(String args[])
  {
    A.foo(); // foo from A
    A.bar(); // foo from A
    B.foo(); // foo from B
    B.bar(); // foo from A      <-  ???
  }
}
 
class A
{
  public static void foo() {
      System.out.println("foo from A");
  }
 
  public static void bar() {
      foo();
  }
}
 
class B extends A
{
  public static void foo() {
      System.out.println("foo from B");
  }
}