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#include <iostream>
#include <vector>

using namespace std;

int main() {
    int n, k;
    cin >> n >> k;

    vector<int> data;
    for(int i = 0; i < n; i++) {
        int x;
        cin >> x;
        data.push_back(x);
    }

    bool b = true;
    while (b) {
        b = false;
        for(int i = 0; i < data.size() - 1; i++) {
            if(data[i] < data[i+1]) {
                int x = data[i];
                data[i] = data[i+1];
                data[i+1] = x;
                b = true;
            }
        }
    }
    
    if(n > k && data[k-1] == data[k]) {
        cout << k+1;
    } else {
        cout << k;
    }
}