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#include <iostream>
#include <cstdint>
#include <vector>
#include <algorithm>
#include <iterator>

using namespace std;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n,k;
    cin>>n>>k;

    vector<int> a;
    copy_n(istream_iterator<int>(cin),n,back_inserter(a));
    a.push_back(-1);

    sort(begin(a),end(a),greater<int>());

    int limit_punktow = a[k-1];
    while( a[k]==limit_punktow)
        k++;

    cout<<k;

    return 0;
}