#include <bits/stdc++.h>
#define pb push_back

using namespace std;

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

int n, k;
int V[3000005];

void read() {
	f>>n>>k;
	for (int i=1;i<=n;i++) {
		f>>V[i];
	}
}

void solve() {
	nth_element(V+1, V + k, V+n+1);
	g<<V[k];
}

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