Java Exam 27.5.2014 Problem 1

import java.util.Scanner;
import java.util.ArrayList;

public class Problem1 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        ArrayList<String> inputList = new ArrayList<>();
        boolean ended = true;
        while (ended) {
            String temp = scan.nextLine();
            if (temp.equals("End")) {
                ended = false;
            }
            inputList.add(temp);
        }
        int beers = 0;
        int stacks = 0;
        //System.out.println(inputList.get(0));
        String[] temp = new String[2];
        for (int i = 0; i < inputList.size()-1; i++) {
            temp=inputList.get(i).split(" ");
            if (temp[1].equals("stacks")) {
                stacks += Integer.parseInt(temp[0]);
            }else{
                beers += Integer.parseInt(temp[0]);
            }
        }
        if (beers>20) {
            stacks += beers / 20;
            beers = beers %20;

        }
        System.out.println(stacks + " stacks + " + beers + " beers");
        }
    }