#include <fstream>
#include <algorithm>
using namespace std;
ifstream in("sdo.in");
ofstream out("sdo.out");
int v[3000001];
int main()
{
    int n,k,i;
    in>>n>>k;
    for(i=1; i<=n; i++)
        in>>v[i];
    nth_element(v+1,v+k,v+n+1);
    out<<v[k];
    return 0;
}