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#include <bits/stdc++.h>

using namespace std;

#define int long long

int32_t main()
{
    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());

    reverse(a.begin(), a.end());

    int add = 0;

    for (int i = k; i < n; ++i)
    {
        if (a[i] == a[k - 1])
        {
            ++add;
        }
        else
        {
            break;
        }
    }
    cout << k + add << "\n";
}