#include <fstream>
#include <algorithm>

using namespace std;

int a[3000005];

int main()
{
    int n,k;
    
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    f>>n>>k;
    for (int i=1; i<=n; ++i)
        f>>a[i];
    nth_element(a+1, a+k, a+n+1);
    g<<a[k];

    return 0;
}