// Helene Martin, CSE 142
// Prompts the user for words and keeps a total of all letters typed

import java.util.*;

public class WordSum {
	public static final String SENTINEL = "stop!";
	
	public static void main(String[] args) {
		Scanner console = new Scanner(System.in);
		
		int counter = 0;
		String word = "";
		
		// First word is out of loop to avoid adding sentinel's length
		System.out.print("Type a word (or \"" + SENTINEL + "\" to exit): ");
		word = console.next();
		
		while(!word.equalsIgnoreCase(SENTINEL)) {
			counter += word.length(); // cumulative sum
			System.out.print("Type a word (or \"" + SENTINEL + "\" to exit): ");
			word = console.next();
		}
		
		System.out.println("You typed " + counter + " characters.");
	}
}