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#include <bits/stdc++.h>

using namespace std;

void solve() {
    int n, k;
    cin >> n >> k;
    vector<int> v(n);
    for (int i = 0; i < n; i++) {
        cin >> v[i];
    }
    sort(v.begin(), v.end());
    reverse(v.begin(), v.end());
    int ans = k;
    for (int i = k; i < n; i++) {
        if (v[i] != v[i-1]) break;
        ans++;
    }
    cout << ans << endl;
}

int main() {
    ios_base::sync_with_stdio(false);
    cout.precision(12);
    cout << fixed;
    cin.tie(0);

    int T = 1;
    //cin >> T;
    for (int t = 0; t < T; t++) {
        solve();
    }

    return 0;
}