package loopinjava;

import java.util.Scanner;

import static java.lang.Math.pow;

public class Main32 {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

int n, number, newNumber = 0;

System.out.println("Check whether a number is Perfect number or not.\n");

System.out.print("Enter a number: ");

number = input.nextInt();

for (n = 1; n < number; n++) {

if (number % n == 0) {

newNumber = newNumber + n; //Or, newNumber += n;

}

}

if (number == newNumber) {

System.out.println(number + " is a perfect number.\n");

} else {

System.out.println(number + " is not a perfect number.\n");

}

}

}