#include<stdio.h>
#include<algorithm>
using namespace std;
int n,k,i,v[3000001];
void read(),solve();
int main()
{
	read();
	solve();
	return 0;
}
void read()
{
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	scanf("%d%d",&n,&k);k--;
	for(i=0;i<n;i++)
		scanf("%d",&v[i]);
}
void solve()
{
	nth_element(v,v+k,v+n);
	printf("%d\n",v[k]);
}