#include<cstdio>
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;

int n, k ;
vector<int> v ;

int main()
{
		
	freopen("sdo.in", "r", stdin);
	freopen("sdo.out", "w", stdout);
	
	scanf("%d%d", &n, &k);
	
	for(int i = 0; i < n; ++i )
	{
		int x ;
		scanf("%d", &x);
		v.push_back(x) ;
	}
	
	nth_element( v.begin(), v.begin() + k, v.end() ) ;
	
	printf("%d\n", v[k - 1] );
	
	return 0 ;
	
}