这个java程序运行后结果怎么不正确啊？

import java.io.*;
public class hw13_13{
   public static void main(String[] args) throws IOException{
    Center a=new Center();
       double n1,n2,n3,n4,n5;
       String str1,str2;
       BufferedReader buf;
         buf=new BufferedReader(new InputStreamReader(System.in));
       System.out.print("Input number: "+"(");
         str1=buf.readLine();
         String s1=str1.substring(0,2);
         String s2=str1.substring(3,5);
         String s3=str1.substring(6,8);
         String s4=str1.substring(9,11);
         String s5=str1.substring(12,14); 
         n1=Double.parseDouble(s1);
         n2=Double.parseDouble(s2);
         n3=Double.parseDouble(s3);
         n4=Double.parseDouble(s4);
         n5=Double.parseDouble(s5); 

   
      try{
         a.show(n1,n2,n3,n4,n5);

      
   }
   catch(CenterException e){
     System.out.println(e+" throwed");
   }
  catch(OutException e){
     System.out.println(e+" throwed");
   }
   catch(InException e){
     System.out.println(e+" throwed");
    } 
  } 
}
class CenterException extends Exception{
  }
class OutException extends Exception{
  }
class InException extends Exception{
 }
class Center{
       double radius;
       double x1;
       double y1;
       double x2;
       double y2;
       double dist=Math.sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
 public  void show(double x1,double y1,double x2,double y2,double radius) throws  

        

    CenterException,OutException,InException{
       this.x1=x1;
       this.y1=y1;
       this.x2=x2;
       this.y2=y2;
       this.radius=radius;
     

  if(dist==0){
      System.out.print("("+x1+","+y1+")");
      System.out.print("在半径"+radius);
      System.out.println(",圆心("+x2+","+y2+")的圆心上");
      throw new CenterException();
      
    }
  else if(dist<=radius){
      System.out.print("("+x1+","+y1+")");
      System.out.print("在半径"+radius);
      System.out.println(", 圆心("+x2+","+y2+")的圆内");
      throw new InException();
    }
  else{
      System.out.print("("+x1+","+y1+")");
      System.out.print("在半径"+radius);
      System.out.println(", 圆心("+x2+","+y2+")的圆外");
      throw new OutException();
   }
  }     
}



   
       
    --------------------编程问答-------------------- 怎么不正确？ --------------------编程问答-------------------- 运行了之后是真确的。
你是不是输入的数字的位数不够导致的错误，输入的数字应该是14位。不能输入字符。
运行之后截图：

补充：Java ,  Java SE