Read a number from the user and Display sum of Perfect numbers upto n;

import java.util.*;

class Sum_perfect{

public static void main(String[] args) {

Scanner sc= new Scanner(System.in);

System.out.print("Enter upper limit : ");

int end= sc.nextInt();

int SUM_PERFECT = 0;

for(int g=1; g<=end; g++)

{

        int number =g;

        int sum=0;

        for(int i=1;i<number;i++)

        {

        if(number % i==0) sum= sum + i;

        }

if(sum==number) {System.out.println("The perfect number is " + number);   SUM_PERFECT= SUM_PERFECT+number;}

        }

System.out.println("The sum of perfect numbers is "+SUM_PERFECT);

}}