#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,m;
    cin>>n>>m;
    int s[10005];
    for(int i=0;i<n;i++)
    {
        cin>>s[i];
    }
    for(int i=1;i<=n-1;i++)
    {
        for(int j=0;j<=n-i-1;j++)
        {
            if(s[j]<s[j+1])
            {
                swap(s[j],s[j+1]);
            }
        }
    }
    cout<<s[m-1];
    return 0;
}
/**************************************************************
	Problem: 1172
	User: lidongbo
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/