#include <iostream>
#include <algorithm>
#include <fstream>
#include <string>
#include <cstdio>
#include <cstdlib>
using namespace std;
ifstream in("sdo.in");
ofstream out("sdo.out");
int n,k;
int v[3000001];

int main()
{
    string tmp;
    in>>tmp;
    n=atoi(tmp.c_str());
    in>>tmp;
    k=atoi(tmp.c_str());
    for(int i=1;i<=n;i++)
    {
    in>>tmp;
    v[i]=atoi(tmp.c_str());
    }
    sort(&v[1],&v[n+1]);
    out<<v[k];
    return 0;
}