import java.util.*;
import java.lang.*;
import java.io.*;

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		var actions = new ArrayList<Runnable>();
		
		for(var i = new int[]{0};i[0]<3;i[0]++)
		{
		    actions.add(() -> System.out.println(i[0]));
		}
		
		for (var action : actions)
		{
		    action.run();
		}
	}
}