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

using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
long a[3000005],k,n;
/*
void ord(long st,long dr)
{ long pivot = rand()%(dr-st+1)+st;
   swap(a[pivot],a[st]);
    long i,j,x=a[st];
    i=st;
    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);
  nth_element(a+1,a+k,a+n+1);
    fout<<a[k];
}