View Compilation Error

0_0_30850601_23982\Main.java:2: 错误: 需要class, interface或enum
    public static void Main(String[]args) {
                  ^
0_0_30850601_23982\Main.java:4: 错误: 需要class, interface或enum
        Scanner aa=new Scanner(System.in);
        ^
0_0_30850601_23982\Main.java:5: 错误: 需要class, interface或enum
        while(aa.hasNextInt())
        ^
0_0_30850601_23982\Main.java:8: 错误: 需要class, interface或enum
        b=aa.nextInt();
        ^
0_0_30850601_23982\Main.java:9: 错误: 需要class, interface或enum
        c=a+b;
        ^
0_0_30850601_23982\Main.java:10: 错误: 需要class, interface或enum
        System.out.println(c);
        ^
0_0_30850601_23982\Main.java:13: 错误: 需要class, interface或enum
    }
    ^
0_0_30850601_23982\Main.java:16: 错误: 需要class, interface或enum
}
^
8 个错误