#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());
	cout<<V[k-1];
}

int main() {
	
	read();
	solve();
	
	f.close(); g.close();
	return 0;
}