#include<cstdio>
#include<iostream>
#include<algorithm>
using namespace std;
int v[3000005];
int main()
{
	int n,k;
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	scanf("%d%d",&n,&k);
	for(int i=1;i<=n;i++)
		scanf("%d",&v[i]);
	nth_element(v+1,v+k,v+n+1);
	printf("%d\n",v[k]);
	return 0;
}
/*
Minato: You're definitely overanalyzing, Aigis.
Aigis: :(
*/