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#include <iostream>
#include <vector>
#include <set>

using namespace std;

void C() {
    vector<int> data(121,0);
    int n, k, a;
    int kUsed = 0;

    cin >> n >> k;
    
    for (int i = 0; i < n; i++){
        cin >> a;
        data[a]++;
    }

    int i = 120;

    while (k > kUsed) {
        kUsed += data[i];
        i--;
        if (i < 0)break;
    }
    cout << kUsed;
}

int main()
{
    C();
    return 0;
}