using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Test 1: {0}", IsValidPalindrome("racecar")); //True

        Console.WriteLine("Test 2: {0}", IsValidPalindrome("anna"));    //True

        Console.WriteLine("Test 3: {0}", IsValidPalindrome("madam"));   //True

        Console.WriteLine("Test 4: {0}", IsValidPalindrome("aab"));     //False

        Console.WriteLine("Test 5: {0}", IsValidPalindrome("abb"));     //False

        Console.WriteLine("Test 6: {0}", IsValidPalindrome("a"));       //True

        Console.WriteLine("Test 7: {0}", IsValidPalindrome("aa"));      //True

    }

    private static bool IsValidPalindrome(string value)

    {

        throw new NotImplementedException();

    }

}