#include <iostream>

void Eliminare (int vector[], const int &n, const int &k, int &numere_eliminate)
{
    for (int i = 0; i < n; i = i + k - 1)
        if (vector[i] = -1)
            i++;
        else
        {
            vector[i] = -1;
            numere_eliminate++;
        }
}

void Afisare_pozitie (int vector[], const int &n)
{
    for (int i = 0; i < n; ++i)
        if (vector[i] != -1)
            std::cout << vector[i];

}

void Citire_vector (int vector[], const int &n)
{
    for (int i = 0; i < n; ++i)
        std::cin >> vector[i];
}
int main()
{
    using std::cout;
    using std::cin;

    int n,k;
    cout << "n=";
    cin >> n;
    int *vector = new int[n];
    cout << "k=";
    cin >> k;
    Citire_vector(vector,n);

    int numere_eliminate = 0;
    while (numere_eliminate <= n - 1)
        Eliminare(vector,n,k,numere_eliminate);

    Afisare_pozitie(vector,n);
    return 0;
}