View Compilation Error

0_0_33499509_3007\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_33499509_3007\Main.java:3: 错误: 需要class, interface或enum
        System.out.println(sc.nextInt()+sc.nextInt());
        ^
0_0_33499509_3007\Main.java:4: 错误: 需要class, interface或enum
    }
    ^
3 个错误