prints "Nine thousand, eight hundred and seventy six" and for $-100670011$ it prints "Negative one hundred million, six hundred and seventy thousand, eleven".

How dose the program work?

user quits the program by entering $q.$

Example Run of the program

The red color indicates that the text is user's input and the text in black is the program's output.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $+123$

One hundred and twenty three

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $123123123123123$

Invalid entry. The number you entered is too large. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-123123123123123$

Invalid entry. The number you entered is too small.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-123987456501$

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: x$100$

Invalid entry. Your entry is not a number. Please try again.

Please enter a whole number between $-999,999,999,999$ and $+999,999,999,999.$ Enter q to exit: $100,001$

Invalid entry. Your entry is not a number. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $200\mathrm{.}0$

Invalid entry. Your entry is not a whole number. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-1234$

Negative one thousand, two hundred and thirty four

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $00420$

Four hundred and twentyprints "Nine thousand, eight hundred and seventy six" and for $-100670011$ it prints "Negative one hundred million, six hundred and seventy thousand, eleven".

How dose the program work?

user quits the program by entering $q.$

Example Run of the program

The red color indicates that the text is user's input and the text in black is the program's output.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $+123$

One hundred and twenty three

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $123123123123123$

Invalid entry. The number you entered is too large. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-123123123123123$

Invalid entry. The number you entered is too small.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-123987456501$

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: x$100$

Invalid entry. Your entry is not a number. Please try again.

Please enter a whole number between $-999,999,999,999$ and $+999,999,999,999.$ Enter q to exit: $100,001$

Invalid entry. Your entry is not a number. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $200\mathrm{.}0$

Invalid entry. Your entry is not a whole number. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-1234$

Negative one thousand, two hundred and thirty four

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $00420$

Four hundred and twentymillion, six hundred and seventy thousand, eleven".

How dose the program work?

user quits the program by entering $q.$

Example Run of the program

The red color indicates that the text is user's input and the text in black is the program's output.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $+123$ One hundred and twenty three

One hundred and twenty three

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $123123123123123$

Invalid entry. The number you entered is too large. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-123123123123123$

Invalid entry. The number you entered is too small.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-123987456501$

hundred and twenty three billion, nine hundred and eighty seven million, four hundred and fifty six thousand, five hundred and one

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: x$100$

Invalid entry. Your entry is not a number. Please try again.

Please enter a whole number between $-999,999,999,999$ and $+999,999,999,999.$ Enter q to exit: $100,001$ Invalid entry. Your entry is not a number. Please try agin.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $200\mathrm{.}0$

Invalid entry. Your entry is not a whole number. Please try again.

Please enter a whole number between $-999999999999$ and $+999999999999.$ Enter q to exit: $-1234$

Negative one thousand, two hundred and thirty four

Please enter a wh