class Check_perfect{
public static void main(String[] args) {
System.out.println("Enter a number to check for
perfect number or not");
Scanner sc= new Scanner(System.in);
int number= sc.nextInt();
int sum=0;
for(int i=1;i<number;i++)
{
if(number % i==0) sum= sum + i;
}
if(sum==number) System.out.println(number+
" is a Perfect number");
else System.out.println(number+
" is not a perfect number");
}}