#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>

using namespace std;

int main()
{
	freopen("DATA2.txt", "r", stdin);
	freopen("OUT2.txt", "w", stdout);
	

	for (int i = 0; i < 5; ++i)
	{
		int N;
		cin >> N;
		int R = 0;
		for (int x = 1; x <= N; ++x)
		{
			for (int y = 1; y <= x; ++y)
			{
				if ((x * y) <= N) ++R;
			}
		}
		cout << R << endl;
	}

	fclose(stdin);
	fclose(stdout);
	return 0;
}