View Compilation Error

0_0_28731258_16643\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_28731258_16643\Main.java:3: 错误: 需要class, interface或enum
		int n;
		^
0_0_28731258_16643\Main.java:4: 错误: 需要class, interface或enum
		Scanner cin=new Scanner(System.in);
		^
0_0_28731258_16643\Main.java:5: 错误: 需要class, interface或enum
		while(cin.hasNext()) {
		^
0_0_28731258_16643\Main.java:7: 错误: 需要class, interface或enum
			n=cin.nextInt();
			^
0_0_28731258_16643\Main.java:8: 错误: 需要class, interface或enum
			for(int i=1;i<=n;i++)
			^
0_0_28731258_16643\Main.java:8: 错误: 需要class, interface或enum
			for(int i=1;i<=n;i++)
			            ^
0_0_28731258_16643\Main.java:8: 错误: 需要class, interface或enum
			for(int i=1;i<=n;i++)
			                 ^
0_0_28731258_16643\Main.java:10: 错误: 需要class, interface或enum
			System.out.println(re);
			^
0_0_28731258_16643\Main.java:11: 错误: 需要class, interface或enum
		}
		^
0_0_28731258_16643\Main.java:13: 错误: 需要class, interface或enum
	}
	^
11 个错误