Write a program that asks the user to input a positive integer with at least three digits, and then outputs the integer without the first and last digits. If the input is not a positive integer with...

Extracted text: Write a program that asks the user to input a positive integer with at least three digits, and then outputs the integer without the first and last digits. If the input is not a positive integer with at least three digits, display "Invalid input!". Note: Use int data type only. You are not allowed to use other data types such as string and array.