#include <iostream>
#include <bits/stdc++.h>
#define VMAX 3000005
#define INF 2147000000
#define double long double
using namespace std;
ifstream fin ("sdo.in");
ofstream fout ("sdo.out");

int numere[VMAX];

signed main()
{
    long long int n,m,i,j,k,t,q,nr,p,suma,maxim,aparitii,candidat,st,dr,mij,i_max,j_max;
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        fin>>numere[i];
    }
    nth_element(numere+1,numere + m,numere+n+1);
    fout<<numere[m];



    return 0;
}