MagicNumber.java

import java.io.*;
public class Magic
{
    int n;
   Magic(){
      n=0;
    }
    public static void main (String args[]) throws IOException{
        BufferedReader br=new BufferedReader (new InputStreamReader(System.in));
        Magic obj=new Magic();
        System.out.println("Enter a number");
        int n=Integer.parseInt(br.readLine());
        obj.setNum(n);
        obj.isMagic();
    }
    
    void setNum(int nn){
       n=nn;
    }
    
    int sumOfdigits(int num){
        int d,sum=0;
       while (num>0){
            d=num%10;
            sum=sum+d;
            num=num/10;
        }
        return sum;
    }
    
    void isMagic(){
        int res=sumOfdigits(n);
        for(res=n;res>9;){
           int fin=res;
            res=sumOfdigits(fin);
        }
        if (res==1){
            System.out.println("The number is a magic number");
        }
        else{
            System.out.println("the number is not a magic number");
        }
    }  
}





/*
👋 Hi, I’m @aarushinair — Aarushi Nair (she/her)
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*/