#include <iostream>

int main()
{
    std::cin.sync_with_stdio(false);
    std::cin.tie(nullptr);

    int N;
    std::cin >> N;

    int a = 2;
    int b = 4;
    int c = 10;
    for (int n = 3; n < N; n += 3)
    {
        a = (2 * c + 2 * a);
        b = (2 * a + 2 * b);
        c = (2 * b + 2 * c);

        if (a > 20210108)
            a %= 20210108;
        if (b > 20210108)
            b %= 20210108;
        if (c > 20210108)
            c %= 20210108;
    }

    switch (N % 3)
    {
    case 0:
        std::cout << c;
    case 1:
        std::cout << a;
    case 2:
        std::cout << b;
    default:
        break;
    }
}