Very Simple Exception Handle Program in Java

import java.io.*;

public class exceptionHandle{
    public static void main(String[] args) throws Exception{
        try{
            int a,b;
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            a = Integer.parseInt(in.readLine());
            b = Integer.parseInt(in.readLine());
        }
        catch(NumberFormatException ex){
            System.out.println(ex.getMessage() + " is not a numeric value.");
            System.exit(0);
        }
    }
}