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View Compilation Error

0_0_1982527_16008\Main.java:7: 需要为 class、interface 或 enum
	public static void main(String[] args) {
	              ^
0_0_1982527_16008\Main.java:9: 需要为 class、interface 或 enum
		String b = null;
		^
0_0_1982527_16008\Main.java:10: 需要为 class、interface 或 enum
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		^
0_0_1982527_16008\Main.java:11: 需要为 class、interface 或 enum
		try {
		^
0_0_1982527_16008\Main.java:13: 需要为 class、interface 或 enum
			b = in.readLine();
			^
0_0_1982527_16008\Main.java:14: 需要为 class、interface 或 enum
		} catch (IOException e) {
		^
0_0_1982527_16008\Main.java:17: 需要为 class、interface 或 enum
		long aa = Long.parseLong(a) ;
		^
0_0_1982527_16008\Main.java:18: 需要为 class、interface 或 enum
		long bb = Long.parseLong(b) ;
		^
0_0_1982527_16008\Main.java:19: 需要为 class、interface 或 enum
		System.out.print(aa+bb);
		^
0_0_1982527_16008\Main.java:20: 需要为 class、interface 或 enum
	}
	^
10 错误


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