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#include <iostream>
#include <vector>

using namespace std;

int main()
{
    int n, k, score;
    vector<int> ranking(120, 0);

    cin >> n >> k;
    for (int i = 0; i < n; ++i)
    {
        cin >> score;
        ++ranking[score-1];
    }

    int sum = 0;
    for (int i = 119; i >= 0; --i)
    {
        sum += ranking[i];
        if (sum >= k)
        {
            cout << sum << endl;
            return 0;
        }
    }

    return 0;
}