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#include <bits/stdc++.h>
using namespace std;




int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n, k;
    cin >> n >> k;
    vector < int > a(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    sort(a.rbegin(), a.rend());
    int ans = k;
    for (int i = k; i < n; i++) if (a[i] == a[k - 1]) ans++;
    cout << ans << "\n";
}