View Compilation Error

0_0_13956471_25807\Main.java:3: 错误: 需要class, interface或enum
	public static  void main(){
	               ^
0_0_13956471_25807\Main.java:5: 错误: 需要class, interface或enum
		Scanner input=new Scanner(System.in);
		^
0_0_13956471_25807\Main.java:6: 错误: 需要class, interface或enum
		while(input.hasNext())
		^
0_0_13956471_25807\Main.java:9: 错误: 需要class, interface或enum
			b=input.nextInt();
			^
0_0_13956471_25807\Main.java:10: 错误: 需要class, interface或enum
			System.out.println(a+b);
			^
0_0_13956471_25807\Main.java:11: 错误: 需要class, interface或enum
		}
		^
6 个错误