Exam 1. Count Beers

import java.util.Scanner;

public class _1_CountBeers {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        String inputLine = scan.nextLine().trim();

        int countStacks = 0;
        int countBeers = 0;
        String[] inputs;
        while (!inputLine.equals("End")) {
            inputs = inputLine.split(" ");
            int count = Integer.parseInt(inputs[0]);
            if (inputs[1].equals("beers")) {
                countBeers += count;
            } else {
                countStacks += count;
            }

            inputLine = scan.nextLine().trim();
        }

        if (countBeers >= 20) {
            countStacks += countBeers / 20;
            countBeers %= 20;
        }

        System.out.printf("%d stacks + %d beers%n", countStacks, countBeers);
    }

}