private int evalState(State s, State ls) {
    	//attack + defense		 
    	int weight[] = {4,4,3};
		int atk = weight[0]*attack(s,ls);
		int def = weight[1]*defense(s);
		int diff = weight[2]*difference(s);
		int score = atk + def + diff;
		//System.out.println("Attack = "+atk+" | Defense = "+def+" Difference = "+diff+" Sum = "+score );
		return (me.equals("red"))?score:-score;

    }