#include <fstream>
#include <iostream>
#include <algorithm>
#include <vector>
#include <cstring>
using namespace std;
ifstream fin("scmax.in");
ofstream fout("scmax.out");
vector <int> v;
int main()
{
    int n,k;
    fin>>n>>k;

    for(int i=1;i<=n;i++)
        fin>>v[i];
    for(int i=1;i<n;i++)
        for(int j=i+1;j<=n;j++)
        if(v[i]>v[j])
        {
            int aux=v[i];
            v[i]=v[j];
            v[j]=aux;
        }
    int fina;
    for(int i=1;i<=k;i++)
        fina=v[i];
    fout<<fina;
    return 0;
}