报错

package bbb;
import java.util.Scanner;
public class ExceptionText {
 public static void main(String[] args){
 
  int a,b,c;
  System.out.println("请输入要操作的数：");
  Scanner scanner=new Scanner (System.in);
  a=scanner.nextInt();
  b=scanner.nextInt();
 try{
  c=a/b; 
 }catch(Exception b1){
  b1.printStackTrace();
  System.out.println("progrom over");
 }
 finally{
  System.out.println("not program");
        }
 }
}