View Compilation Error

0_0_26718928_5167\Main.java:1: 错误: 需要class, interface或enum
{public static void main() {
^
0_0_26718928_5167\Main.java:1: 错误: 需要class, interface或enum
{public static void main() {
               ^
0_0_26718928_5167\Main.java:2: 错误: 需要class, interface或enum
	int a,b;Scanner input = new Scanner(System.in) ;
	        ^
0_0_26718928_5167\Main.java:3: 错误: 需要class, interface或enum
	a=input.nextInt();
	^
0_0_26718928_5167\Main.java:4: 错误: 需要class, interface或enum
	b=input.nextInt();
	^
0_0_26718928_5167\Main.java:5: 错误: 需要class, interface或enum
	System.out.println(a+b);
	^
0_0_26718928_5167\Main.java:6: 错误: 需要class, interface或enum
}
^
7 个错误