#include<bits/stdc++.h>
#include <vector>
#include <algorithm>

using namespace std;
int main(){
	int n,k;
	vector<int>a;
	// write your code here......
	cin >> n >> k;
	int x;

	while (n--) {
		cin >> x;
		a.push_back(x);
	}

	sort(a.begin(), a.end());

	cout << a[k - 1] << endl;

	return 0;
}