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

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, k;
    cin >> n >> k;

    vector<int> V(n);
    for (auto& v : V) cin >> v;
    sort(V.rbegin(), V.rend());
    cout << k + count(V.begin() + k, V.end(), V[k - 1]);
}