class Test2{
    public static void main(String[] args){
	Mot l = new Mot('B', new Mot('A', null));
	Mot m = new Mot('B', new Mot('B', null));
	Mot n = new Mot('A', new Mot('B', new Mot('A', null)));
	// -1
	System.out.println(Mot.comparer(l, m));
	// -1
	System.out.println(Mot.comparer(m, n));
	// 1
	System.out.println(Mot.comparer(n, l));
	// 0
	System.out.println(Mot.comparer(l, l));
    }
}