#include <fstream>
#include <algorithm>
#define NMAX 3000000

using namespace std;

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

int a[NMAX],k,n;

void citire(){
    in>>n>>k;
    for(int i=1;i<=n;i++)
        in>>a[i];
}

int main()
{
    citire();
    nth_element(a+1,a+k,a+n+1);
    out<<a[k];
    return 0;
}