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#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int 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(), greater<>());
    int additional = 0;
    for(int i = k; i < n; i++){
        if(a[k - 1] == a[i])
            additional++;
        else
            break;
    }
    cout << additional + k << "\n";
    return 0;
}