main.c: Print help if the user passes '-h' to the program.
Merge pull request #1 from artyom-poptsov/add-help

main.c: Print help if the user passes '-h' to the program.
Makefile:add to repository
Makefile:change output file name.Don`t run program.
Merge pull request #2 from MitrofanovTemka/new_makefile

Makefile:add to repository