#include <fstream>
#include <algorithm>

using namespace std;

int n,k,i,v[3000005];

int main() {
    ifstream f("sdo.in");
    ofstream g("sdo.out");
    f>>n>>k;
    for(i=1;i<=n;i++)
        f>>v[i];
    nth_element(v+1,v+k,v+n+1);
    g<<v[k]<<"\n";
    return 0;
}