#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin ("sdo.in");
ofstream fout ("sdo.out");
int n,k,i;
unsigned int v[4000001];
int main()
{
    fin>>n>>k;
    for (i=1; i<=n; i++)
        fin>>v[i];
    nth_element (v+1,v+k,v+n+1);
    fout<<v[k];
    return 0;
}