Integer Check if 3rd Digit is 7

using System;
class IntCheck3rdDigitToBe7
{
  static void Main()
  {
    //Write an expression that checks for given integer if its third digit (right-to-left) is 7. E. g. 1732 => true.
    Console.Write("Enter an integer number:");
    int numberToCheck = int.Parse(Console.ReadLine());
    int numberToCompare = 7;
    int thirdPositionNumber = numberToCheck / 100;
    int remainderNumber = thirdPositionNumber % 10;
    bool isSeven = (remainderNumber == numberToCompare);
    Console.WriteLine("The third digit in the number {0} {1} {2}.", numberToCheck,isSeven ? "is" : "is not", numberToCompare);
  }
}