/* 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
{
 
	private static Object o; // Always null
 
	public static void main (String[] args) throws java.lang.Exception
	{
		if(false && test("no")); // no does not print
		if(true && test("yes")); // yes does print
		if(false && o.equals(o)); // also doesn't fire NPE
	}
 
	private static boolean test(String s) {
		System.out.println(s); // If the string prints, this method was called. If not, it wasn't.
 
		return true;
	}
}

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