#include<cstdio>
#include<algorithm>
#define L 300002
using namespace std;

int n,c;
int a[L];

void citeste()
{
	freopen("sdo.in","r",stdin);
	scanf("%d%d",&n,&c);
	for(int i=1;i<=n;i++) scanf("%d",&a[i]);
	fclose(stdin);
}


void afiseaza()
{
	freopen("sdo.out","w",stdout);
	printf("%d",a[c]);
	fclose(stdout);
}

int main()
{
	citeste();
	sort(a+1,a+n+1);
	afiseaza();
	return 0;
}