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#include <iostream>

int main()
{
    int k, n;
    std::cin >> n >> k;
    int* arr = new int[n];
    for (int i = 0; i < n; i++) {
        std::cin >> arr[i];
    }
    for (int i = 0; i < n; i++) {
        for (int j = i + 1; j < n; j++) {
            if (arr[i] > arr[j]) {
                int temp = arr[i];
                arr[i] = arr[j];
                arr[j] = temp;
            }
        }
    }
    int totalShirts = 0;
    for (int i = n-1; i >= 0; i--) {
        if (i == n-1) {
            if (k == 0) break;
            totalShirts++;
        }
        else {
            if (arr[i] == arr[i + 1]) {
                totalShirts++;
            }
            else {
                if (totalShirts < k) {
                    totalShirts++;
                }
                else {
                    break;
                }
            }
        }
    }
    std::cout << totalShirts << std::endl;
    return 0;
}