#include<cstdio>
#include<stdlib.h>
using namespace std;

int n,k,V[3000000];

int compare(const void *a,const void *b)
{
    return(*(int*)a-*(int*)b);
}

int main()
{
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
  scanf("%d%d",&n,&k);
for(int i=0;i<n;i++)
   scanf("%d",&V[i]);

qsort(V,n,sizeof(int),compare);
printf("%d",V[k-1]);
return 0;
}