View Compilation Error

0_0_39446696_11381\Main.java:3: 错误: 需要class, interface或enum
public Main {
       ^
0_0_39446696_11381\Main.java:4: 错误: 需要class, interface或enum
	public static void main(String[] args) {
	              ^
0_0_39446696_11381\Main.java:6: 错误: 需要class, interface或enum
		int a = scan.nextInt();
		^
0_0_39446696_11381\Main.java:7: 错误: 需要class, interface或enum
		int b = scan.nextInt();
		^
0_0_39446696_11381\Main.java:8: 错误: 需要class, interface或enum
		System.out.println(a+b);
		^
0_0_39446696_11381\Main.java:9: 错误: 需要class, interface或enum
		}
		^
6 个错误