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#include<stdio.h>
#include<iostream>
#include<fstream>
#include <vector>
#include <algorithm>
using namespace std;
vector<int> v(3000000);
int main(){
int N,K;
ifstream input("sdo.in");
ofstream output("sdo.out");
input >> N >> K;
K--;
for(int i=0;i<N;i++){
input >> v[i];
}
vector<int>::iterator it;
nth_element(v.begin(), v.begin()+K, v.begin()+N);
it=v.begin()+K;
int rez=*it;
output << rez;
input.close();
output.close();
return 0;
}