View Compilation Error

0_0_31993391_20857\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_31993391_20857\Main.java:3: 错误: 需要class, interface或enum
		int s = cin.nextInt();
		^
0_0_31993391_20857\Main.java:4: 错误: 需要class, interface或enum
		int b = 0;
		^
0_0_31993391_20857\Main.java:5: 错误: 需要class, interface或enum
		while(s>0){
		^
0_0_31993391_20857\Main.java:7: 错误: 需要class, interface或enum
			s = s/10;
			^
0_0_31993391_20857\Main.java:8: 错误: 需要class, interface或enum
			while(b>10){
			^
0_0_31993391_20857\Main.java:10: 错误: 需要class, interface或enum
				b = 0;
				^
0_0_31993391_20857\Main.java:11: 错误: 需要class, interface或enum
			}
			^
0_0_31993391_20857\Main.java:14: 错误: 需要class, interface或enum
	}
	^
9 个错误