#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
int a[200];
int n,k;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>n>>k;
    int last = 0;
    for(int i=0; i<n; i++)
    {
        cin>>a[i];
    }
    sort(a,a+n);
    reverse(a,a+n);
    if(a[k-1] == a[k] && k < n)
    {
        int i=k-1;
        while(a[i] == a[k] && i >= 0)
        {
            i--;
        }
        cout<<i+1<<endl;
        return 0;
    }
    cout<<min(k,n)<<endl;

}