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

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		byte[] input = {};
		int i = input.length;
		while (i-- > 0 && input[i] == 32) {}

		byte[] output = new byte[i+1];
		System.arraycopy(input, 0, output, 0, i+1);
		
		System.out.println(Arrays.toString(input));
		System.out.println(Arrays.toString(output));
	}
}