View Compilation Error

0_0_15221137_27783\Main.java:1: 错误: 需要class, interface或enum
public static void main(String args[]){
              ^
0_0_15221137_27783\Main.java:3: 错误: 需要class, interface或enum
		Integer a = sc.nextInt();
		^
0_0_15221137_27783\Main.java:4: 错误: 需要class, interface或enum
		Integer b = sc.nextInt();
		^
0_0_15221137_27783\Main.java:5: 错误: 需要class, interface或enum
		System.out.println(a+b);
		^
0_0_15221137_27783\Main.java:6: 错误: 需要class, interface或enum
	}
	^
5 个错误