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#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n, k;
    cin >> n >> k;
    
    vector<int> a(n);
    for (int i = 0; i < n; ++i)
        cin >> a[i];
    
    sort(a.begin(), a.end(), greater<int>());
    int res = k;
    
    for (int i = k; i < n && a[i] == a[k - 1]; ++i)
        ++res;
    
    cout << res << "\n";

    return 0;
}