/in/Main.java:4: error: class main is public, should be declared in a file named main.java
public class main{
       ^
/in/Main.java:14: error: cannot find symbol
		System.out.print(a + b);
		                 ^
  symbol:   variable a
  location: class main
/in/Main.java:14: error: cannot find symbol
		System.out.print(a + b);
		                     ^
  symbol:   variable b
  location: class main
3 errors