#include <bits/stdc++.h>

#define MaxN 3000005

std::ifstream InFile("sdo.in");
std::ofstream OutFile("sdo.out");

int Bulaneala[MaxN];
int N, K;

void Citire() {
    InFile >> N >> K;
}

void Rezolvare() {
    for (int i=0; i<N; ++i)
        InFile >> Bulaneala[i];

    std::nth_element(Bulaneala, Bulaneala+K-1, Bulaneala+N);
    OutFile << Bulaneala[K-1];
}

int main()
{
    Citire();
    Rezolvare();

    return 0;
}