/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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
	{
		Scanner sc = new Scanner(System.in);
		A a = sc.nextInt() == 1 ? new B() : new C();
		C c = (C) a;
	}
 
 
	static class A{}
	static class B extends A{}
	static class C extends A{}
}
 
 

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MQ==

1