#include<algorithm>
#include<fstream>

using namespace std;

#define max 3000001

int n, k, m[max];
ifstream f("sdo.in");
ofstream g("sdo.out");

int main ()
{
    f>>n>>k;
    for(int i=1;i<=n;i++) f>>m[i];
    nth_element(m+1, m+k, m+n+1);
    g<<m[k]<<"\n";

    return 0;
}