using System;

public class Program

{

    public static void Main()

    {

        string startLine = "1000 3 1100";

        string[] parameters = startLine.Trim().Split(" ");

        double startSum = double.Parse(parameters[0]);

        double percent = double.Parse(parameters[1]);

        double maxSum = double.Parse(parameters[2]);

        double deposit = startSum;

        while (deposit < maxSum) {

          double currentPercent = deposit * percent / 100;          

          deposit = deposit + Math.Floor(currentPercent);   

        }

        int ideposit = Convert.ToInt32(deposit);

        Console.WriteLine(ideposit);

    }

}