#include <fstream>
#include <algorithm>
#define In "sdo.in"
#define Out "sdo.out"
#define Nmax 3000005
using namespace std;
int a[Nmax];
int main()
{
    int n,k,i;
    ifstream f(In);
    f>>n>>k;
    for(i=1;i<=n;i++)
        f>>a[i];
    f.close();
    nth_element(a+1,a+k,a+n+1);
    ofstream g(Out);
    g<<a[k]<<"\n";
    g.close();
    return 0;
}