#include <fstream>
#include <algorithm>

using namespace std;

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

 int n, k, i, j, v[3000001], iMin;

int main ()
{
    in>>n>>k;
    for (i=1; i<=n; i++) in>>v[i];

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

    int iMin = j;

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

        if (v[i] < v[iMin])
        {

            iMin = i;
        }
    }

    if(iMin != j)
            {
            swap(v[j], v[iMin]);
            }
}

out<<v[k]; return 0;

}