/* 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	{
	}
 
	public static class Test{
		private LinkedList<Integer> lst = new LinkedList<>();
 
		public static Test of(int i){
			Test t = new Test();
			t.lst.addFirst(i);
			return t;
		}
	}
}

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