class a
{
static int a = 5;
int b = 3;
static
{
a = 20;
System.out.println(a);
}
public void set(int b)
{
this.b = b;
}
}
class aj
{
static
{
System.out.println("b");
}
public static void main(String[] args)
{
new a();
new a();
a a1 = new a();
a a2 = new a();
a1.set(30);
System.out.println(a1.b);
System.out.println(a2.b);