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#include<iostream>

using namespace std;

int tab[125];

int main()
{
    int n,k,a;
    cin>>n>>k;
    int wyn=k;
    for (int i=0; i<n; i++)
    {
        cin>>a;
        tab[a]++;
    }
    for (int i=120; i>=0; i--)
    {
        if(k>tab[i])
            k-=tab[i];
        else
        {
            cout<<wyn+tab[i]-k<<"\n";
            break;
        }
    }
    return 0;
}