View Compilation Error

0_0_29432680_28614\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_29432680_28614\Main.java:13: 错误: 需要class, interface或enum
while(in.hasNext()) {                              
^
0_0_29432680_28614\Main.java:21: 错误: 需要class, interface或enum
int cj = 1;                           
^
0_0_29432680_28614\Main.java:25: 错误: 需要class, interface或enum
while(n!=0) {                              
^
0_0_29432680_28614\Main.java:33: 错误: 需要class, interface或enum
if(num%2!=0) {                                        
^
0_0_29432680_28614\Main.java:41: 错误: 需要class, interface或enum
}                                             
^
0_0_29432680_28614\Main.java:49: 错误: 需要class, interface或enum
}                           
^
0_0_29432680_28614\Main.java:57: 错误: 需要class, interface或enum
                          }
                          ^
8 个错误