#include <algorithm>
#include <fstream>
#include <vector>
using namespace std;
ifstream in ("sdo.in");
ofstream out ("sdo.out");

int N, K;
vector <int> V;

void Citire (){
    int x;
    in >> N >> K;
    while (N--){
        in >> x;
        V.push_back(x);
    }
}

int main()
{
    Citire();
    sort (V.begin(), V.end());
    out << V[K-1];
    return 0;
}