#include <fstream>

using namespace std;
int a[1001],n;
ifstream fin("CautBin.in");
ofstream fout("CautBin.out");
void Citire()
{
    int i;
    fin>>n;
    for(i=1;i<=n;i++)
        fin>>a[i];
    fin.close();
}
int CautareBinara2(int x)/// cea mai din dr
{
    int st=1,dr=n,m,poz;
    while(st<=dr)
    {
        m=(st+dr)/2;
        if(a[m]<=x)
        {
            st=m+1;
            poz=m;
        }
        else dr=m-1;
    }
    return  poz;
}
int main()
{
    Citire();
    fout<<CautareBinara2(5)<<"\n";
    return 0;
}