View Compilation Error

0_0_22495159_20411\Main.java:5: 错误: 需要<标识符>
    publicstatic void main(String args[]) {
                ^
0_0_22495159_20411\Main.java:5: 错误: 方法声明无效; 需要返回类型
    publicstatic void main(String args[]) {
                      ^
0_0_22495159_20411\Main.java:32: 错误: 需要';'
    publicstatic BigInteger solve (BigInteger num) {
                           ^
0_0_22495159_20411\Main.java:32: 错误: 方法声明无效; 需要返回类型
    publicstatic BigInteger solve (BigInteger num) {
                            ^
0_0_22495159_20411\Main.java:37: 错误: 需要';'
        elseif(numsz == 2)returnnew BigInteger("9");
                          ^
0_0_22495159_20411\Main.java:37: 错误: 需要';'
        elseif(numsz == 2)returnnew BigInteger("9");
                                              ^
0_0_22495159_20411\Main.java:56: 错误: 需要';'
        returnnew BigInteger(s);
                            ^
0_0_22495159_20411\Main.java:56: 错误: 不是语句
        returnnew BigInteger(s);
                             ^
0_0_22495159_20411\Main.java:56: 错误: 需要';'
        returnnew BigInteger(s);
                              ^
0_0_22495159_20411\Main.java:57: 错误: 解析时已到达文件结尾
    }
     ^
10 个错误