View Compilation Error

0_0_34294465_20318\Main.java:1: 错误: 需要class, interface或enum
public static void main(String [] args) {
              ^
0_0_34294465_20318\Main.java:3: 错误: 需要class, interface或enum
		int a=sc.nextInt();
		^
0_0_34294465_20318\Main.java:4: 错误: 需要class, interface或enum
		int b= sc.nextInt();
		^
0_0_34294465_20318\Main.java:5: 错误: 需要class, interface或enum
		System.out.println(a+b);
		^
0_0_34294465_20318\Main.java:6: 错误: 需要class, interface或enum
	}
	^
5 个错误