View Compilation Error

0_0_37967175_26544\Main.java:2: 错误: 需要class, interface或enum
               public static void main(String[] args) {
                             ^
0_0_37967175_26544\Main.java:5: 错误: 需要class, interface或enum
		int a = 0,b = 0;
		^
0_0_37967175_26544\Main.java:6: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) a = sc.nextInt();
		^
0_0_37967175_26544\Main.java:7: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) b = sc.nextInt();
		^
0_0_37967175_26544\Main.java:9: 错误: 需要class, interface或enum
		int c = 0,d = 0;
		^
0_0_37967175_26544\Main.java:10: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) c = sc.nextInt();
		^
0_0_37967175_26544\Main.java:11: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) d = sc.nextInt();
		^
0_0_37967175_26544\Main.java:12: 错误: 需要class, interface或enum
		System.out.println(a+b);
		^
0_0_37967175_26544\Main.java:13: 错误: 需要class, interface或enum
		System.out.println(c+d);
		^
0_0_37967175_26544\Main.java:14: 错误: 需要class, interface或enum
	}
	^
10 个错误