View Compilation Error

0_0_33394711_12361\Main.java:2: 错误: 需要class, interface或enum
public static int select(int a, int b) {
              ^
0_0_33394711_12361\Main.java:4: 错误: 需要class, interface或enum
	}
	^
0_0_33394711_12361\Main.java:5: 错误: 需要class, interface或enum
public static void main(String[]args) {
              ^
0_0_33394711_12361\Main.java:8: 错误: 需要class, interface或enum
		Scanner scanner = new Scanner(System.in);
		^
0_0_33394711_12361\Main.java:9: 错误: 需要class, interface或enum
		n = scanner.nextInt();
		^
0_0_33394711_12361\Main.java:10: 错误: 需要class, interface或enum
		m = scanner.nextInt();
		^
0_0_33394711_12361\Main.java:11: 错误: 需要class, interface或enum
		while(n!=-1&m!=-1) {
		^
0_0_33394711_12361\Main.java:14: 错误: 需要class, interface或enum
			}
			^
0_0_33394711_12361\Main.java:17: 错误: 需要class, interface或enum
			}
			^
9 个错误