#include <iostream>
#include <stdio.h>
#include <algorithm>

using namespace std;

long i, n, k, a[3000010];

int main() {
	freopen("sdo.in", "r", stdin);
	freopen("sdo.out", "w", stdout);

	cin>>n>>k;

	for (i = 1; i <= n; ++i) {
		cin>>a[i];
	}

	nth_element(a + 1, a + k, a + n + 1);
	cout<<a[k];
	return 0;
}