#include<cstdio>
#include<iostream.h>
#include<algorithm>
using namespace std;
int m,n,i,a[3000010];
void read(),solve();
int main()
{
	read();
	solve();
	return 0;
}
void read()
{
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	cin>>n>>m;
	for(i=1;i<=n;++i)cin>>a[i];
}
void solve()
{
	nth_element(a+1,a+m+1,a+n+1);
	cout<<a[m]<<'\n';
}