#include<stdio.h>
int main()
{
    int m, sum = 0, i;
    for (m = 2; m <= 1000; m++)
    {
        for (i = 1; i < m; i++)
        {
            if (m%i == 0)
            {
                sum += i;
            }
        }
        if (sum == m)
            printf("%d\n", m);
    }
}