#include<fstream>
#include<algorithm>
#define MAX 3000001
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int a[MAX];
int main()
{
    int i, n, k;
    fin>>n>>k;
    for (i = 0; i <= n - 1; i++)
        fin>>a[i];
    fin.close();
    nth_element(a, a + k - 1, a + n);
    fout<<a[k - 1];
    fout.close();
    return 0;
}