#include <iostream>
#include <fstream>

using namespace std;

int deter(int size);

int main()
{
    ifstream infile("DATA2.txt");
    ofstream outfile("OUT2.txt");
    int size =0;
    int totalsize=0;
    int pass = 1;
    for(int i = 0; i < 5; i++)
    {
        infile >> size;
        pass = 1;
        totalsize = 0;
        while(true)
        {
            for(int i = 1; i<=size;i++)
            {
                if(pass <= i && pass*i<=size) totalsize++;                
            }
            pass++;
            if(pass > size) break;
        }
        outfile << totalsize << "\n";
    }
    return 0;
}