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#include <fstream>
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream f1("sdo.in");
ofstream f2("sdo.out");
int n,k,i,x;
vector<int> m;
vector<int>::iterator l;
void read(){
f1>>n>>k;
for(i=0;i<n;i++){
f1>>x;
m.push_back(x);
}
}
int main()
{ read();
nth_element(m.begin(), m.begin()+k-1, m.end());
l=m.begin()+k-1;
f2<<*l<<'\n';
return 0;
}