package a;

public class Wanshu {

    public static void main(String[] args) {

        for (int i = 1; i <= 1000; i++)

        {

            int sum=0;

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

            {

            if(i%j==0)

            {

                sum+=j;

            }

            }

            if(i==sum)

            {

                System.out.println(i);

            }

        }

    }

}