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class A {
private static int x;
public static void main(String args[]){
new B();
}
static class B{
B(){
System.out.println(x);
}
}
}
class A {
private int x;
public static void main(String args[]){
new A().new B();
}
class B{
B(){
System.out.println(x);
}
}
}
class A {
private static int x;
public static void main(String args[]){
new B();
}
static class B{
B(){
System.out.println(x);
}
}
}