#define _CRT_SECURE_NO_WARNINGS
#include <cstdio>
#include <iostream>
#include <cmath>
#include <vector>

using namespace std;

int main()
{
    long long M, N;
    scanf("%lli %lli", &M, &N);
    vector <int> jndtn;
    for (int i = M; i <= N; ++i)
    {
        int a = 0;
        for (int j = 1; j*j <= i; ++j)
        {
            if (i % j == 0)
            {
                if (i / j == i)
                {
                    a = a + j;
                }
                else
                {
                    a = a + j + i / j;
                }
            }
        }
        if (a == i)
        {
            if (i > 1)
            {
                jndtn.push_back(i);
            }
        }

    }
    if (jndtn.size() == 0)
    {
        printf("Absent");
    }
    else
    {
        for (int i = 0; i < jndtn.size()-1; ++i)
        {
            printf("%d\n", jndtn[i]);
        }
        printf("%d", jndtn[jndtn.size() - 1]);
    }

    return 0;
}