View Compilation Error

0_0_23735707_5738\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_23735707_5738\Main.java:3: 错误: 需要class, interface或enum
		int a = s.nextInt();
		^
0_0_23735707_5738\Main.java:4: 错误: 需要class, interface或enum
		Scanner s1 = new Scanner(System.in);
		^
0_0_23735707_5738\Main.java:5: 错误: 需要class, interface或enum
		int b = s1.nextInt();
		^
0_0_23735707_5738\Main.java:6: 错误: 需要class, interface或enum
		System.out.println(a+b);
		^
0_0_23735707_5738\Main.java:7: 错误: 需要class, interface或enum
	}
	^
6 个错误