#include <fstream>
#include <algorithm>

using namespace std;

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

long long n,k,v[3000000];

int main()
{
    in>>n>>k;
    for ( int i=1; i<=n; i++)
        in>>v[i];
    nth_element(v+1, v+k, v+n+1);
    out<<v[k];
    return 0;
}