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#include <iostream>

using namespace std;

int main()
{
    int n, k;
    int num;
    int arr[120] = { 0 };
    cin >> n >> k;
    for (int i = 0; i < n; i++) {
        cin >> num;
        arr[num - 1]++;
    }
    int ans = 0;
    for (int i = 119; i >= 0, k > 0; ans += arr[i], k -= arr[i], i--);
    cout << ans;
}