12279 - Emoogle Balance

import java.util.Scanner;

class Another {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int counter = 0;
        while (scanner.hasNext()) {
            int n = scanner.nextInt();
            if (n == 0) break;
            counter++;
            int val = 0;
            while (n-- > 0) {
                if (scanner.nextInt() > 0) val++;
                else val--;
            }
            System.out.println("Case "+counter+": "+val);
        }
    }


}