using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Div(1500, 4));

        Console.WriteLine(Div1(1500, 4));

    }

        public static int Div(int a, int b)

    {

        int c=0;

        while (a>=b)

        {

            a = a - b;

            c++;

        }

        return c;

    }

    public static int Div1(int a, int b)

    {

        if (a<b) return 0;

        return 1+Div(a-b, b);   

    }

}