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///MEMENTO MEMO, MEMENTO LONG LONG
#include <bits/stdc++.h>

#define DEBUG if(1)
#define COUT cout << "\e[36m"
#define ENDL "\e[39m" << endl
#define VAR(v) " [\e[32m" << #v << "\e[36m=\e[91m" << v << "\e[36m] "

using namespace std;

typedef long long LL;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, k;
    cin >> n >> k;
    vector<int> v(n);
    for (int i = 0; i < n; ++i)
    {
        cin >> v[i];
    }
    sort(v.rbegin(), v.rend());
    k--;
    int last_same = k;
    for (int i = k+1; i < n; ++i)
    {
        if(v[i] == v[k])
        {
            last_same = i;
        }
        else
        {
            break;
        }
    }
    cout << last_same+1 << "\n";
}