#include<iostream>
using namespace std;
using ll = long long;
ll n,sum;

int main()
{
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        int k = i;
        do {
            if (k % 10 == 2 || k % 10 == 0 || k % 10 == 1 || k % 10 == 9)
            {
                sum += i;
                break;
            }
        } while (k /= 10);
    }
    cout << sum;
    return 0;
}