#include<bits/stdc++.h>
#include<cstdio>
using namespace std;
int Qsort(int* a,int start,int end,int k){
if(start == end && start == k-1)return a[start];
else if(start < end){
int i = start,j = end;
int p = a[start];
while(i < j){
while(j > i && a[j] >= p)j--;
a[i] = a[j];
while(i < j && a[i] <= p)i++;
a[j] = a[i];
}
a[i] = p;
if(i == k-1)return a[i];
else if(i < k-1)return Qsort(a,i + 1,end,k);
else return Qsort(a,start,i - 1,k);
}
}
int main(){
int n,k;
scanf("%d%d",&n,&k);
int a[n];
for(int i = 0;i < n;i++){
scanf("%d",&a[i]);
}
printf("%d\n",Qsort(a,0,n - 1,k));
}