/* 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
	{
		String stringa = "11111110000000000";
		List<String> result = new ArrayList<>();

		for (int endIndex = stringa.length(); endIndex  >= 0; endIndex  -= 4) {
			int beginIndex = Math.max(0, endIndex - 4);
			String str = stringa.substring(beginIndex, endIndex);
			//System.out.println(str);
			result.add(0, str);
                }

		System.out.println(result);
	}
}