private static Token matchLiteral(String word, int line, int position){
		StringBuilder token = new StringBuilder();
		int i = 0;

		for (; i<word.length(); i++){
			char current = word.charAt(i);
			if (!Character.isDigit(current)){
				break;
			}
			token.append(current);
		}

		if (i != 0)
			return new Token(TokenType.LITERAL,token.toString(), line, position);

		return null;
	}