#include <fstream>
#include <algorithm>
const std::string programName = "sdo";
std::ifstream f(programName + ".in");
std::ofstream g(programName + ".out");
const int MAX = 5e8;
int v[MAX + 5];
int main() {
    int N, k;
    f >> N >> k;
    for (int i = 1; i <= N; ++i)
        f >> v[i];
    std::sort(v + 1, v + N + 1);
    g << v[k];
    return 0x0;
}