백준 11004

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	int n, k;

	cin >> n >> k;
	vector<int> nums;

	for (int i = 0; i < n; ++i)
	{
		int num;
		cin >> num;
		nums.push_back(num);
	}
	sort(nums.begin(), nums.end());

	cout << nums[k-1];

	return 0;
}