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#include <bits/stdc++.h>
using namespace std;
#define TESTS 0


const int N = 2100;

int n, k, a[N];

void solve() {
    cin >> n >> k;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    sort(a+1, a+n+1);
    reverse(a+1, a+n+1);
    int cnt = k;
    for (int i = k+1; i <= n && a[i] == a[k]; i++)
        ++cnt;
    cout << cnt << "\n";
}



int main() {
    int tt = 1; 
#if TESTS
    cin >> tt;
#endif
    while(tt--) {
        solve();
    }
}