import java.util.Stack;
import java.util.Scanner;

public class TextPrinter {
	
	public void print() {
		Stack<String> stringStack = new Stack<String>();
		Scanner s = new Scanner(System.in);
		
		int n = (int)(Math.random() * 100) % 10 +1;
	   	System.out.println("Reads text and prints last " + n +" (or less) lines:");
		
		System.out.println("Reading...");
		
		String line = s.nextLine();	
		while(!line.equals("")) {
			stringStack.push(line);
			line = s.nextLine();
        }
        
		String result = "";        
        for(int i = 1; i <= n; i++)
        	if(!stringStack.isEmpty())
          		result = stringStack.pop() + '\n' + result;
        	else break;
        System.out.println("Printing last lines (" + n +" or less):");
        System.out.println(result);
        
        System.out.println("Done!");
     }	
}

class TestTextPrinter {
	public static void main(String[] args) {
		(new TextPrinter()).print();
	}
}