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#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    short n,m;
    cin>>n>>m;
    vector<short> koszulki(121);
    int a;
    for(short i=0;i<n;i++)
    {
        cin>>a;
        koszulki[a]++;
    }
    short out=0;
    for(short i=121;i>0;i--)
    {
        if(out<m)
        {
            out+=koszulki[i];
        }
        else break;
    }
    cout<<out<<"\n";

}