#include <iostream>
#include <fstream>
#include <cstdlib>
#include <ctime>

using namespace std;
ifstream in("sdo.in");
ofstream out("sdo.out");

#define ll long long
#define pb push_back
const int NMax = 3e6 + 5;
const ll inf = 9e18 + 5;

int N,K;
int v[NMax];

void solve(int,int);
int part(int,int);

int main() {
    in>>N>>K;
    for (int i=1;i <= N;++i) {
        in>>v[i];
    }

    srand(time(0));
    solve(1,N);
    out<<v[K]<<'\n';

    /*
    cout<<part(1,N)<<'\n';
    for (int i=1;i <= N;++i) {
        out<<v[i]<<' ';
    }
    out<<'\n';
    */

    in.close();out.close();
    return 0;
}

void solve(int st,int dr) {
    if (st >= dr) {
        return;
    }

    int idx = part(st,dr);
    if (idx < K) {
        solve(idx+1,dr);
    }
    else if (idx > K) {
        solve(st,idx);
    }
}


int part(int st,int dr) {
    int idx = rand() % (dr-st+1) + st;
    swap(v[dr],v[idx]);

    //int pivot = v[st];
    //cout<<pivot<<'\n';

    int i = st-1;
    for (int j=st; j < dr;++j) {
        if (v[j] < v[dr]) {
            swap(v[++i],v[j]);
        }
    }

    swap(v[++i],v[dr]);
    return i;
}