View Compilation Error

0_0_34376433_9038\Main.java:2: 错误: 需要class, interface或enum
public Main {
       ^
0_0_34376433_9038\Main.java:3: 错误: 需要class, interface或enum
	public static void main(String args[]) {
	              ^
0_0_34376433_9038\Main.java:5: 错误: 需要class, interface或enum
		while(kb.hasNext()) {
		^
0_0_34376433_9038\Main.java:7: 错误: 需要class, interface或enum
			int n=kb.nextInt();
			^
0_0_34376433_9038\Main.java:8: 错误: 需要class, interface或enum
			if(n==0) {
			^
0_0_34376433_9038\Main.java:10: 错误: 需要class, interface或enum
			}
			^
0_0_34376433_9038\Main.java:11: 错误: 需要class, interface或enum
			for(int i=1;i<=n;i++) {
			            ^
0_0_34376433_9038\Main.java:11: 错误: 需要class, interface或enum
			for(int i=1;i<=n;i++) {
			                 ^
0_0_34376433_9038\Main.java:13: 错误: 需要class, interface或enum
				sum+=a;
				^
0_0_34376433_9038\Main.java:15: 错误: 需要class, interface或enum
			}
			^
0_0_34376433_9038\Main.java:17: 错误: 需要class, interface或enum
		}
		^
11 个错误