View Compilation Error

0_0_39230072_24537\Main.java:1: 错误: 需要class, interface或enum
 public static void main(String[] args) {
               ^
0_0_39230072_24537\Main.java:4: 错误: 需要class, interface或enum
	        while (scanner.hasNextLine()) {
	        ^
0_0_39230072_24537\Main.java:6: 错误: 需要class, interface或enum
	            String[] t = line.split(" ");
	            ^
0_0_39230072_24537\Main.java:7: 错误: 需要class, interface或enum
	            int a = Integer.parseInt(t[0]);
	            ^
0_0_39230072_24537\Main.java:8: 错误: 需要class, interface或enum
	            int b = Integer.parseInt(t[1]);
	            ^
0_0_39230072_24537\Main.java:9: 错误: 需要class, interface或enum
	            int sum = a + b;
	            ^
0_0_39230072_24537\Main.java:10: 错误: 需要class, interface或enum
	            System.out.println(sum);
	            ^
0_0_39230072_24537\Main.java:11: 错误: 需要class, interface或enum
	        }
	        ^
0_0_39230072_24537\Main.java:14: 错误: 需要class, interface或enum
	    }
	    ^
9 个错误