You are asked to implement an automated number-to-text conversion system for a phone company. Write a C pro-

gram that receives as input an integer and converts each digit to the appropriate text word. The integer can be of

variable length, but no larger than 10 digits. Assume that no phone number starts with a zero. Do not use strings,

or any function from the string library.

Sample Code Execution:

Red text indicates information entered by the user

Please enter your phone number: 2345769854

two three four five seven six nine eight five four

Test cases:

2345769854, 10004, 20030040