View Compilation Error

0_0_23448129_8187\Main.java:6: 错误: 需要class, interface或enum
	 public static void main(String[] args){
	               ^
0_0_23448129_8187\Main.java:9: 错误: 需要class, interface或enum
		  int a=in.nextInt();
		  ^
0_0_23448129_8187\Main.java:10: 错误: 需要class, interface或enum
		  int b=in.nextInt();
		  ^
0_0_23448129_8187\Main.java:11: 错误: 需要class, interface或enum
		  System.out.println((a+b));  
		  ^
0_0_23448129_8187\Main.java:12: 错误: 需要class, interface或enum
		 }
		 ^
5 个错误