package org.demo;
public class Perfectnumber {
public static void main(String[] args) {
for (int i = 1; i <=1000; i++) {
int sum=0;
for (int j = 1; j

package org.demo;
public class Perfectnumber {
public static void main(String[] args) {
for (int i = 1; i <=1000; i++) {
int sum=0;
for (int j = 1; j