public class Exam03{
    public static void main(String[] args) {
        for(int h = 0; ; h++){
            for(int i = 0; i <= h; i++){
                for(int j = 0; j <= h - i; j++){
                    for(int k = 0; k <= h - i - j; k++){
                        int l = h - i - j - k;
                        System.out.println("(" + i + ", " + j + ", " + k + ", " + l + ")");
                    }
                }
            }
        }
    }
}