using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter your annual investment amount");

        string strInvestment = Console.ReadLine();

        double doubleInvestment = 0;

        bool doubleNum = Double.TryParse(strInvestment, out doubleInvestment);

        if(doubleNum == false){

            Console.WriteLine("Please enter a number");

            return;

        }

        if(doubleInvestment <= 0){

            Console.WriteLine("Enter a number greater than 0");

            return;

        }

            Console.WriteLine("Please enter investment term in years");

        string strTerm = Console.ReadLine();

        int iTerm = 0;

        bool iNum = Int32.TryParse(strTerm, out iTerm);

        if(iNum == false){

            Console.WriteLine("iPlease enter a whole number");

            return;

        }

        if(iTerm <= 3){

            Console.WriteLine("Enter an investment term greater than 3 years");

            return;

        }

            Console.WriteLine("Please enter your interest rate");

        string strRate = Console.ReadLine();

        double doubleRate = 0;

        bool double_Rate = Double.TryParse(strRate, out doubleRate);

        if(double_Rate == false){

            Console.WriteLine("Please enter a number");

            return;

        }

        if(doubleRate <= 0 || doubleRate >= 1 ){

            Console.WriteLine("Enter an interest rate between 0 and 1");

            return;

        }

            Console.WriteLine("================================================");

            Console.WriteLine("year     Accumlated Investment       End Balance");

        double accruedInvestment = 0;

        double endBal = 0;

        for (int i = 1; i <= iTerm; i++){

            accruedInvestment += doubleInvestment;

            endBal += doubleInvestment * (Math.Pow((1 + doubleRate), i));

            Console.WriteLine(i + "         " + accruedInvestment.ToString("C2") + "             " + endBal.ToString("C2"));

        }

    }

}