#include <bits/stdc++.h>
#define NMAX 3000010
using namespace std;

int n,A[NMAX],k;

int main(){
	ifstream cin("sdo.in");
	ofstream cout("sdo.out");
	cin>>n>>k;
	for(int i=0;i<n;i++){
		cin>>A[i];
	}
	nth_element(A,A+k,A+n);
	cout<<A[k-1];
}