#include <iostream>
using namespace std;

int SumDiv(int n);
int Oglindit(int n);

int main()
{
    int n;
    long long s = 0;

    cin >> n;

    int x;

    int v[1001], k = 0;
    for (int i = 1; i <= n; ++i)
    {
        cin >> x;

        v[++k] = Oglindit(x);
    }

    for (int i = 1; i <= n; ++i)
        s += SumDiv(v[i]);

    cout << s;
}

int SumDiv(int n)
{
    int d, s = 0;

    for (d = 1; d * d < n; ++d)
    {
        if (n % d == 0)
            s += d;

        if (n % (n / d) == 0)
            s += (n / d);
    }

    if (d * d == n)
        s += d;

    return s;
}

int Oglindit(int n)
{
    int m = 0;

    while (n)
    {
        m = m * 10 + (n % 10);
        n /= 10;
    }

    return m;
}