static String spellHundredsNumber(int num){
		if(primitiveNumbers.containsKey(num)) return primitiveNumbers.get(num);
		String num_str = "";
		if(num/100 != 0) num_str = primitiveNumbers.get(num / 100) + " Hundred ";
		num = num % 100;
		if(primitiveNumbers.containsKey(num)) num_str += primitiveNumbers.get(num);
		else if(num < 20) num_str += primitiveNumbers.get(num - 10) + "teen";
		else{
			if(primitiveNumbers.containsKey(num / 10 * 10)) num_str += primitiveNumbers.get(num / 10 * 10) + " " + primitiveNumbers.get(num % 10);
			else{
				num_str += primitiveNumbers.get(num / 10) + "ty";
				if(num % 10 != 0) num_str +=  " " + primitiveNumbers.get(num % 10);
			}
		}
		return num_str;
	}