#include <iostream>
#include <algorithm>
#include <vector>
#include <fstream>

using namespace std;

ifstream in("sdo.in");
ofstream out("sdo.out");

int n,nth;
vector<int> V;

void read(){
    unsigned int x;
    in>>n>>nth;
    for(int i=1;i<=n;i++){
        in>>x;
        V.push_back(x);
    }
}
void solve(){
    nth_element(V.begin(),V.begin()+nth-1,V.end());
    out<<V[nth-1];
}
int main(){
    read();
    solve();
    return 0;
}