#include <iostream>
#include <algorithm>
using namespace std;

int main() {
    int n;
    cin >> n;

    if (n <= 0 || n > 10) {
        cout << "Invalid Input";
        return 0;
    }

    int arr[10];
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }

    int k;
    cin >> k;

    if (k <= 0 || k > n) {
        cout << "Invalid Input";
        return 0;
    }

    sort(arr, arr + n); // sort the array

    cout << *(arr + k - 1); // output the k-th smallest using pointer
    return 0;
}