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#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n{}, k{};
    cin >> n >> k;
    vector<int> a{};
    int aa{};
    for (int i = 0; i < n; i++) {
        cin >> aa;
        a.push_back(aa);
    }
    sort(a.begin(), a.end(), greater<int>());
    int el = a[k-1];
    int i = k;
    while (i < n and a[i] == el) i++;
    cout << i << "\n";
}