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#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
vector<long int> v;
int n, k;
long int x;
int main()
{
ifstream fin ("sdo.in");
ofstream fout("sdo.out");
fin >> n >> k;
for(int i=0; i<n ;i++)
{
fin >> x;
v.push_back(x);
}
nth_element(v.begin(),v.begin()+k-1,v.end());
fout << v[k-1] << '\n';
return 0;
}