#include<algorithm>
#include <fstream>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
int n,a[3000005],k;
int main()
{
    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;
}