#include <iostream>
#include <cmath>

using namespace std;

long long int check(long long int x) {
    long long int k = 0;
    bool flag = true;
    for (long long int i = 2; i < int(sqrt(x)) + 1; i += 2)
    {
        if (x % i == 0) {
            k += i;
            if (i == x)
                flag = false;

        }

    }
    if (x == 2)
    {
        return 2;
    }
    if (k > 0 && flag)
    {
        return k + x;
    }
    return k;
}


int main()
{
    long long int a, b, ans = 0, mi = 100000000, a1;
    cin >> a >> b;
    if (a % 2 != 0)
        a++;
    for (long long int i = a; i < b + 1; i += 2)
    {
        a1 = check(i);
        if (a1 < mi && a1 != 0)
        {
            mi = a1;
            ans = i;
        }
    }
    cout << ans << " " << mi;

}