View Compilation Error

0_0_34295525_17726\Main.java:1: 错误: 需要class, interface或enum
 public static void main(String[] args) {
               ^
0_0_34295525_17726\Main.java:3: 错误: 需要class, interface或enum
        int a=scanner.nextInt();
        ^
0_0_34295525_17726\Main.java:4: 错误: 需要class, interface或enum
        int p=a;
        ^
0_0_34295525_17726\Main.java:5: 错误: 需要class, interface或enum
        int b=scanner.nextInt();
        ^
0_0_34295525_17726\Main.java:6: 错误: 需要class, interface或enum
        int sum=0;
        ^
0_0_34295525_17726\Main.java:7: 错误: 需要class, interface或enum
        for(;a<=b;a++){
        ^
0_0_34295525_17726\Main.java:7: 错误: 需要class, interface或enum
        for(;a<=b;a++){
             ^
0_0_34295525_17726\Main.java:7: 错误: 需要class, interface或enum
        for(;a<=b;a++){
                  ^
0_0_34295525_17726\Main.java:9: 错误: 需要class, interface或enum
        }
        ^
0_0_34295525_17726\Main.java:11: 错误: 需要class, interface或enum
        System.out.println(sum);
        ^
0_0_34295525_17726\Main.java:12: 错误: 需要class, interface或enum
    }
    ^
11 个错误