using System;

public class Program

{

    public static bool isOnEdge(string s, char c)

    {

        return (s[0] == c && s[s.Length-1] == c);

    }

    public static string merge (string s1, string s2)

    {

        return (s1 + " " + s2);

    }

    public static string between (string s, int num1, int num2)

    {

        string ret = "";

        if (num1 < num2)

            for (int i = num1; i < num2; i++)

                ret += s[i];

        else

            for (int i = num2; i < num1; i++)

                ret += s[i];

        return ret;

    }

    public static bool LOWvsUP(string s)

    {

        int lowC = 0;

        int upC = 0;

        for (int i = 0; i < s.Length; i++)

        {

            if ((int)s[i] < 95)

                upC++;

            else

                lowC++;

        }

        return (lowC > upC);

    }

    public static bool findNo (string s)

    {

        for (int i = 0; i < s.Length - 1; i++)

            if (s[i] == 'n' && s[i+1] == 'o')

                return true;

        return false;

    }

    public static bool isInside(string str1, string str2)

    {

        for (int i = 0; i < str1.Length-str2.Length; i++)

            if (between(str1, i, i + str2.Length) == str2)

                return true;

        return false;

    }

    public static string flip (string s)

    {

        string newS = "";

        for (int i = s.Length-1; i >= 0; i--)

            newS += s[i];

        return newS;

    }

    public static bool isSymmetric(string s)

    {

        return (flip(s) == s);

    }

    public static void Main()

    {

        Console.WriteLine(isSymmetric("dahd dhd"));

    }

}