#include <fstream>
#include <algorithm>

using namespace std;

ifstream f("sdo.in");
ofstream g("sdo.out");

int n, k, i, a[100000];
int main()
{
    f>>n>>k;
    for(i=1; i<=n; ++i) f>>a[i];
    nth_element(a+1, a+k+1, a+n+1);
    g<<a[k]<<"\n";
}