using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Base Number:");

        string input = Console.ReadLine();

        Double BaseNum = Convert.ToDouble(input);

        Console.WriteLine("Of Number:");

        input = Console.ReadLine();

        Double OfNum = Convert.ToDouble(input);

        Console.WriteLine();

        Double LogNumber = Math.Log(OfNum,BaseNum);

        Console.WriteLine("Answer of Log is " + LogNumber);

    }

}