C++ please!

... 52.13 Write a program that reads a number between 1,000 and 999,999 from the user, where the user enters a comma in the in- put. Then print the num- ber without a comma. Here is a sample dialog; the user input is in color: Please enter an integer between 1,000 and 999,999: 23,456 23456 Hint: Read the input as a string. Measure the length of the string. Suppose it contains n characters. Then extract substrings consisting of the first n- 4 characters and the last three characters