#include <stdio.h>
#include <algorithm>
#define ma 3000005
using namespace std;
int n,k,A[ma],i;
FILE *f,*g;

void citire()
{
	fscanf(f,"%d %d",&n,&k);
	for (i=1;i<=n;i++)
		fscanf(f,"%d",&A[i]);
}

int main()
{
	f=fopen("sdo.in","r");
	g=fopen("sdo.out","w");
	citire();
	sort(A+1,A+n+1);
	fprintf(g,"%d",A[k]);
	fclose(f);
	fclose(g);
	return 0;
}