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

#ifdef D
#define DEBUG(x)        \
    do {                \
        x               \
        cout.flush();   \
    } while (0)
#else
#define DEBUG(x)
#endif

const int MAXN = 2007;

int n, k, a, ans;
int t[127];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> k;
    for (int i = 0; i < n; ++i) {
        cin >> a;
        t[a]++;
    }
    for (int i = 120; i >= 0 && k > 0; i--) {
        ans += t[i];
        k -= t[i];
    }
    cout << ans;
    return 0;
}