#include <stdio.h>
#include <algorithm>
#define NMAX 3000010

using namespace std;

int A[NMAX],N,K;

void citire()
{
	FILE *fin=fopen("sdo.in","r");
	
	fscanf(fin,"%d %d",&N,&K);
	
	int i;
	
	for(i=1;i<=N;i++)
		fscanf(fin,"%d",&A[i]);
	
	fclose(fin);
	
}

void afisare()
{
	FILE *fout=fopen("sdo.out","w");
	
	fprintf(fout,"%d",A[K]);
	
	fclose(fout);
	
}

int main()
{
	citire();
	
	nth_element(A+1,A+K,A+1+N);
	
	afisare();
	
}