View Compilation Error

0_0_17009407_30796\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_17009407_30796\Main.java:3: 错误: 需要class, interface或enum
		long i = scanner.nextLong();
		^
0_0_17009407_30796\Main.java:4: 错误: 需要class, interface或enum
		if (i == 0 || i == 1) {
		^
0_0_17009407_30796\Main.java:6: 错误: 需要class, interface或enum
			return;
			^
0_0_17009407_30796\Main.java:7: 错误: 需要class, interface或enum
		}
		^
0_0_17009407_30796\Main.java:9: 错误: 需要class, interface或enum
	}
	^
6 个错误