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

using namespace std;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, k;
    cin>>n>>k;
    vector<int> a(n);
    for(int& v : a) {
        cin>>v;
    }

    sort(a.begin(), a.end(), greater<int>());
    
    int total = k;
    for(int i = k; i < n; ++i) {
        if(a[i] != a[k - 1]) {
            break;
        }
        ++total;
    }
    cout<<total;
}