#include <stdio.h>
#include <algorithm>

using namespace std;

FILE *f,*s;

int i,j,k,l,m,n;

int v[3000005];

int main()
{
	f=fopen("sdo.in","r");
	s=fopen("sdo.out","w");
	
	fscanf(f,"%d %d",&n,&k);
	
	for(i=1;i<=n;i++)
		fscanf(f,"%d",&v[i]);
	
	nth_element(v+1,v+k,v+n+1);
	
	fprintf(s,"%d",v[k]);
	
	fclose(s);
	
	return 0;
}