// CSE 142 Lecture 10
// String, char

// Prints a user's first name and last name in a wave pattern.

import java.util.*;

public class NameBorder {
	public static void main(String[] args) {
		Scanner console = new Scanner(System.in);
		System.out.print("Full name? ");
		String fullName = console.nextLine();
		
		int spaceIndex = fullName.indexOf(" ");
		String firstName = fullName.substring(0, spaceIndex);
		String lastName = fullName.substring(spaceIndex + 1);
		
		printWave(firstName);
		printWave(lastName);
	}
	
	public static void printWave(String s) {
		for (int i = s.length(); i >= 1; i--) {
			System.out.println(s.substring(0, i));
		}
		// The 2 prevents reprinting the 1 character substring.
		for (int i = 2; i <= s.length(); i++) {
			System.out.println(s.substring(0, i));
		}
	}
}