#include <bits/stdc++.h>
using namespace std;
ifstream in("sdo.in");
ofstream out("sdo.out");
vector<int> v;
int n,k,x;
int main()
{
    in>>n>>k;
    v.resize(n);
    for(int i=0;i<n;++i)
        in>>v[i];
    nth_element(v.begin(),v.begin()+k-1,v.end());
    out<<v[k-1]<<'\n';
    return 0;
}