I learnt programming in an era when a small program (less than 5 lines) was able to produce outputs like these...
Programming in those days was fun and was done in three simple steps...
Type the program
Run the program
See the output
But, now a days, programming is about...
Search for the program
Download the program
Try to run the program
Install software-A... to make that program run
Change the Environment variables to run that program
Install software-B... to make that program run
Run the program
Bang your head why you have followed all the above steps to calculate c = a + b
... especially when u have a calculator
By the time a person is done with banging his/her head, he/she will forget to look into the program, what is present in the source and what is the output.