private static Integer getNumber(String toBeFormatted) {
		StringBuilder sb = new StringBuilder();
		char[] characters = toBeFormatted.toCharArray();
		
		for (int i = 0; i < characters.length; i++){
			if (characters[i] == '_') continue;
			else if (Character.isDigit(characters[i])){
				sb.append(characters[i]);
			} else{
				System.out.println(characters[i]);
				System.out.println("Invalid format for number");
				System.exit(-1);
			}
		}
		
		return Integer.parseInt(sb.toString());
	}