#include<stdio.h>
#include<cstdlib>

int a[3000005],n,k;

void citire(){
	scanf("%d%d",&n,&k);
	for(int i=1;i<=n;i++)
		scanf("%d",&a[i]);
}

int pivot(int i,int j){
	int piv=a[i+(rand()%(j-i+1))];
	
	while(1){
		do{
			i++;
		   }while(a[i]<piv);
		
		do{
		   j--;			
		   }while(a[j]>piv);
		if(i<j)
		       a[i]=a[i]^a[j]^(a[j]=a[i]);
		else
			return j;
	}
}

void quick(int i,int j,int k){
	int p=pivot(i-1,j+1);
	if(i==j)
		return;
	else
	if(k>p)
		quick(p+1,j,k);
	else
		quick(i,p,k);
}

int main(){
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	citire();
	quick(1,n,k);
	printf("%d",a[k]);
	return 0;
}