Perfect, Abundant or Deficient

Code:

import java.util.Scanner;
class perfect
{
    public static void main(String args[])
    {
      int a,b,c,d,i,sum=0,dsum=0;
      Scanner in=new Scanner(System.in);
      System.out.print("Enter a number : ");
      a=in.nextInt();
     
      for(i=1;i<=a;i++)
      {
          if(a%i==0)
          {
              sum=sum+i;
      }
      }
    dsum=2*a;
    if(sum<dsum)
    {
       System.out.println("it is a deficient number");
    }
    else if(sum==dsum)
    {
       System.out.println("it is a perfect number"); 
    }
    else
    {
        System.out.println("it is a abundant number");
    }
    }
    }

Output: