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#include <bits/stdc++.h>
using namespace std;

short a[2000];

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

    short n, k;
    cin >> n >> k;

    for(short i = 0; i < n; ++i) cin >> a[i];

    sort(a, a+n, greater <short>());

    for(short i = k; 1; ++i)
    {
        if(i >= n || a[i] != a[k-1])
        {
            cout << i;
            return 0;
        }
    }
}