using System;

public class Program

{

    public static void Main()

    {

        /* Program to find the given string is a Palindrome with or without removal of single character*/   

        /* Declare variaables */    

        string str ="ababba";

        string str1="";

        string str2="";

        int i = 0;

        int j = str.Length - 1;

        int retValue =0;            

        while (i<j)

        {

            if (str[i] == str[j])

            {

                i++;

                j--;                                    

            }

            else 

            {

                break;

            }

        }

        Console.WriteLine(i.ToString()+" "+j.ToString()+" "+retValue.ToString());

        for(int k=i+1;k<=j;k++)

        {

            str1+=str[k];

        }

        Console.WriteLine(str1.ToString()+" "+str1.Length.ToString());

        retValue=IsPalindDrome(str1,0,str1.Length);

        for(int k=i;k<=j-1;k++)

        {

            str2+=str[k];

        }

        retValue=IsPalindDrome(str2,0,str2.Length);

        //Console.WriteLine(str1.ToString()+" "+str2.ToString()+" "+retValue.ToString());

    }

    public static int IsPalindDrome(string str,int low, int high)

    {

        while(low<high)

        {

            if (str[low] != str[high-1])

            {

                return -1;                                  

            }

            low++;

            high--;

        }

        return 1;

    }

}