#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;

FILE /* * fin,*/ * fout;

int v[3000005];

int main() {
    //fin = fopen("sdo.in","r");
    fout = fopen("sdo.out","w");

    int N, K;

    //fscanf(fin,"%d%d",&N,&K);

    ifstream fin("sdo.in");
    fin >> N >> K;

    for ( int i = 1; i <= N; i++ ){
        //fscanf(fin,"%d",v+i);
        fin >> v[i];
    }

    nth_element(v+1, v+K, v+N+1);
    //cout << v[K] << "\n";
    fprintf(fout,"%d",v[K]);

    //fclose(fin);
    fclose(fout);
    return 0;
}