View Compilation Error

0_0_30099989_22644\Main.java:2: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_30099989_22644\Main.java:4: 错误: 需要class, interface或enum
		int a,b;
		^
0_0_30099989_22644\Main.java:5: 错误: 需要class, interface或enum
		a = input.nextInt();
		^
0_0_30099989_22644\Main.java:6: 错误: 需要class, interface或enum
		b = input.nextInt();
		^
0_0_30099989_22644\Main.java:7: 错误: 需要class, interface或enum
		System.out.println(a+b);
		^
0_0_30099989_22644\Main.java:8: 错误: 需要class, interface或enum
}
^
6 个错误