#include <iostream>
#include <fstream>
#include <ctime>
#include <stdlib.h>

using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
long a[3000001],k,n;

void ord(long st,long dr)
{ long pivot = rand()%(dr-st+1)+st;
    long i,j,x=a[pivot];
    i=st-1;
    j=dr+1;
    while(i<=j)
    {do{j--;}while(a[j]>x);
     do{i++;}while(a[i]<x);
    if(i<=j) swap(a[i],a[j]);
    }

    if(j>st && k<=j)ord(st,j);
    if(i<dr && k>=i)ord(i,dr);
}


int main()
{long i;
srand(time(0));
    fin>>n>>k;
    for(i=1;i<=n;i++)
        fin>>a[i];
    ord(1,n);
    fout<<a[k];
}