View Compilation Error

0_0_34633246_21465\Main.java:1: 错误: 需要class, interface或enum
	public static void main(String[] args) {
	              ^
0_0_34633246_21465\Main.java:3: 错误: 需要class, interface或enum
		int A = scanner.nextInt();
		^
0_0_34633246_21465\Main.java:4: 错误: 需要class, interface或enum
		int B = scanner.nextInt();
		^
0_0_34633246_21465\Main.java:5: 错误: 需要class, interface或enum
		System.out.println(A + B);
		^
0_0_34633246_21465\Main.java:6: 错误: 需要class, interface或enum
	}
	^
5 个错误