View Compilation Error

0_0_6041019_5521\Main.java:1: class lin is public, should be declared in a file named lin.java
public class lin{
       ^
0_0_6041019_5521\Main.java:4: cannot find symbol
symbol  : class Scanner
location: class lin
		Scanner in=new Scanner(System.in);
		^
0_0_6041019_5521\Main.java:4: cannot find symbol
symbol  : class Scanner
location: class lin
		Scanner in=new Scanner(System.in);
		               ^
3 errors