View Compilation Error

0_0_33854686_28695\Main.java:1: 错误: 需要class, interface或enum
 public  static void main(String args[]){
                ^
0_0_33854686_28695\Main.java:3: 错误: 需要class, interface或enum
        int a=sc.nextInt();
        ^
0_0_33854686_28695\Main.java:4: 错误: 需要class, interface或enum
        int i=1;
        ^
0_0_33854686_28695\Main.java:5: 错误: 需要class, interface或enum
        int b=0;
        ^
0_0_33854686_28695\Main.java:6: 错误: 需要class, interface或enum
        while(i<=a){
        ^
0_0_33854686_28695\Main.java:8: 错误: 需要class, interface或enum
            i++;
            ^
0_0_33854686_28695\Main.java:9: 错误: 需要class, interface或enum
        }
        ^
0_0_33854686_28695\Main.java:11: 错误: 需要class, interface或enum
    }
    ^
8 个错误