View Compilation Error

0_0_37967052_7807\Main.java:1: 错误: 需要class, interface或enum
	public static void main(String[] args) {
	              ^
0_0_37967052_7807\Main.java:4: 错误: 需要class, interface或enum
		int a = 0,b = 0;
		^
0_0_37967052_7807\Main.java:5: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) a = sc.nextInt();
		^
0_0_37967052_7807\Main.java:6: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) b = sc.nextInt();
		^
0_0_37967052_7807\Main.java:8: 错误: 需要class, interface或enum
		int c = 0,d = 0;
		^
0_0_37967052_7807\Main.java:9: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) c = sc.nextInt();
		^
0_0_37967052_7807\Main.java:10: 错误: 需要class, interface或enum
		if(sc.hasNextInt()) d = sc.nextInt();
		^
0_0_37967052_7807\Main.java:11: 错误: 需要class, interface或enum
		System.out.println(a+b);
		^
0_0_37967052_7807\Main.java:12: 错误: 需要class, interface或enum
		System.out.println(c+d);
		^
0_0_37967052_7807\Main.java:13: 错误: 需要class, interface或enum
	}
	^
10 个错误