# include <fstream>
# include <algorithm>
# include <vector>

# define foreach(A) for(int i=1; i<=(A); ++i)

using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");

const int MAXN = 3000005;
vector<int> V;
int N, K;

int main() {
    int x;
    fin >> N >> K;
    foreach(N) {
        fin >> x;
        V.push_back(x);
    }
    sort(V.begin(), V.end());

    fout << V[K-1];
    return 0;
}