Revert "Уточнения в задание 4."

This reverts commit dbe63fbc9cf6e007744a7bdbcafab6fa2333f1b9.
Second task
Revert "Second task"

This reverts commit a1b745929ae5e349566eafc83d5f3841bae91720.
Shell dabruneuski 295
fix shell
fix 2
Косметика
Merge pull request #178 from Kangar0o/master

Dobrinevski 295 shell