class RecursiveExtends //Class_extends_boolean
{
    public static void main(String[] a){
        System.out.println(new test1().methodInTest());
    }
}

class test1
{
    int a;

    public int methodInTest()
    {
        return 1;
    }
}

class test2 extends test6
{
}

class test3
{
}

class test4 extends test3
{
}

class test5 extends test4
{
}

class test6 extends test5
{
}