#include <bits/stdc++.h>
#define pb push_back
 
using namespace std;
 
ifstream f("sdo.in");
ofstream g("sdo.out");
 
int n, k;
vector<int> V;
 
void read() {
    f>>n>>k;
    for (int i=1;i<=n;i++) {
        int x; f>>x;
        V.pb(x);
    }
}
 
void solve() {
    nth_element(V.begin(), V.begin() + k, V.end());
    g<<V[k-1];
}
 
int main() {
     
    read();
    solve();
     
    f.close(); g.close();
    return 0;
}