#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,k;
	vector<int>a;
	// write your code here......
	cin >> n >> k;

	int num;
	while(cin >> num){
		a.push_back(num);
	}

	sort(a.begin(),a.end());
	auto it = a.begin()+k-1;
	cout << *it << endl;
	return 0;
}