using System;

public class Program

{

    public static void Main()

    {

         string str = "GeeksForGeeks";

        // Finding the index of character

        // which is present in string and

        // this will show the value 5

        int index1 = str.IndexOf('e');

        Console.WriteLine("The first Index Value of character 'e' is " + index1);

        // Now finding the index of that character which

        //  is not even present with the string

        int index2 = str.IndexOf('C');

        // As expected, this will output value -1

        Console.WriteLine("The Index Value of character 'C' is " + index2);

    }

}