#include <fstream>

#include <algorithm>



using namespace std;



long i, n, k, a[3000010];



int main() {

ifstream fin("sdo.in");

ofstream fout("sdo.out");



fin>>n>>k;



for (i = 1; i <= n; ++i) {

fin>>a[i];

}



nth_element(a + 1, a + k, a + n + 1);

fout<<a[k];

return 0;
}