View Compilation Error

0_0_26454875_24774\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_26454875_24774\Main.java:3: 错误: 需要class, interface或enum
		while (s1.hasNextInt()) {
		^
0_0_26454875_24774\Main.java:5: 错误: 需要class, interface或enum
			int b = s1.nextInt();
			^
0_0_26454875_24774\Main.java:6: 错误: 需要class, interface或enum
			System.out.println(a + b);
			^
0_0_26454875_24774\Main.java:7: 错误: 需要class, interface或enum
			s1.close();
			^
0_0_26454875_24774\Main.java:8: 错误: 需要class, interface或enum
		}
		^
6 个错误