This program will ask you to type in two numbers and then add those numbers together.
It will then display the problem and the answer in word form.
Type in a single digit number between one and four, or type done to exit.
2
Type in a single digit number between one and five
4
Use of uninitialized value $sum in concatenation (.) or string at ./sum2.pl line 23, <STDIN> line 2.
Four plus four equals
Type in a single digit number between one and four, or type done to exit.
done