Check SSN: Write a C++ program for Programming Exercise 4.23 on p. 154 in the textbook. Additional notes or specifications:

• Read the input as a single string.
• Check the string to be sure that it is of the correct length (11). Display an appropriate error message if the string is not the correct length.
• Check each symbol in the string for the appropriate ASCII value or range. Display an appropriate error message if the string contains any invalid symbols.
• If the SSN is valid display an appropriate message.
• Testing: Run the program for:
  • 123-45-6789
  • Another SSN of your choice (do not use yours!)
  • An input with the incorrect length
  • An input with an incorrect symbol.

*4.23 (Check SSN) Write a program that prompts the user to enter a Social Security number in the format ddd-dd-dddd, where d is a digit. Here are sample runs: Enter a SSN: 232-23-5435 Enter 232-23-5435 is a valid social security number Enter a SSN: 23-23-5435 Enter 23-23-5435 is an invalid social security number