#include <cstdio>
#include <algorithm>
#define nmax 3000003
using namespace std;
FILE *f,*g;
unsigned int a[nmax],n,k;

void Citire()
{unsigned int i;
 fscanf(f,"%u%u",&n,&k);
 for (i=1; i<=n; i++)
 fscanf(f,"%u",&a[i]);}

int main()
{f=fopen("sdo.in","r");
 g=fopen("sdo.out","w");
 Citire();
 nth_element(a+1,a+k,a+n+1);
 fprintf(g,"%u",a[k]);
 fclose(f);
 fclose(g);
 return 0;
}