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

import java.util.*;

class Sum_Strong{

public static void main(String[] args) {

Scanner sc= new Scanner(System.in);

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

int end= sc.nextInt();

int SUM_STRONG = 0;

System.out.println("The Strong numbers in the given range are");

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

{

int number=i;

int sum=0;

        while(number!=0)

        {

        int digit=number%10;

        int fact=1;

        for(int j=1;j<=digit;j++)

        {

        fact=fact*j;

        }

sum=sum+fact;

number=number/10;

}

if(sum==i) {System.out.println(i); SUM_STRONG= SUM_STRONG+i;}

}

System.out.println("The sum of strong numbers is "+SUM_STRONG);

}}