#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,k,a[20000];
    cin>>n>>k;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n-1;i++){
        for(int j=1;j<=n-i;j++){
            if(a[j]<a[j+1]) swap(a[j],a[j+1]);
        }
    }
    cout<<a[k];
     
}

/**************************************************************
	Problem: 1172
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/