View Compilation Error

0_0_30335164_18333\Main.java:58: 错误: 非法的表达式开始
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == %
                                                                          ^
0_0_30335164_18333\Main.java:58: 错误: 解析时已到达文件结尾
        while ((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == %
                                                                           ^
2 个错误