diff --git a/.github/workflows/classroom.yml b/.github/workflows/classroom.yml
index bc2c7d5..53b1fe8 100644
--- a/.github/workflows/classroom.yml
+++ b/.github/workflows/classroom.yml
@@ -19,9 +19,21 @@ jobs:
       # Setup outputs for update-points-bar job below
       points: ${{ steps.autograder.outputs.points }}
     steps:
+    - name: Set Locale
+      run: |
+        sudo apt-get update && sudo apt-get install tzdata locales -y   
+        sudo locale-gen ru_RU.UTF-8
+        sudo locale-gen ru_RU
+        locale -a
+
     - name: Checkout code
       uses: actions/checkout@v4
 
+    - name: Run ShellCheck
+      uses: ludeeus/action-shellcheck@master
+      with:
+        scandir: './.test'
+
     - name: 'Task #1'
       id: task-1
       uses: classroom-resources/autograding-command-grader@v1
diff --git a/solution/task1.sh b/solution/task1.sh
new file mode 100644
index 0000000..c01b3eb
--- /dev/null
+++ b/solution/task1.sh
@@ -0,0 +1,2 @@
+grep -o "дверь" data/pushkin.txt  | wc -l
+
diff --git a/solution/task2.sh b/solution/task2.sh
new file mode 100644
index 0000000..4d958b3
--- /dev/null
+++ b/solution/task2.sh
@@ -0,0 +1,2 @@
+grep -w -o  "вина" data/pushkin.txt | wc -l
+
diff --git a/solution/task3.sh b/solution/task3.sh
new file mode 100644
index 0000000..6a9b9d8
--- /dev/null
+++ b/solution/task3.sh
@@ -0,0 +1 @@
+grep -w -o  "Пугачев" data/pushkin.txt | wc -l
diff --git a/solution/task4.sh b/solution/task4.sh
new file mode 100644
index 0000000..bc926d6
--- /dev/null
+++ b/solution/task4.sh
@@ -0,0 +1,2 @@
+sed 's/Живи/Не спи/g; s/Умрёшь/Уснёшь/g' data/blok.txt > data/blok_kids_edition.txt
+
diff --git a/solution/task5.sh b/solution/task5.sh
new file mode 100644
index 0000000..b027602
--- /dev/null
+++ b/solution/task5.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+sed -E 's/^([^ ]+) ([^ ]*)[, ]([^, 0-9]*)[,]*([0-9]*)$/\2 \1 (\4)/;' data/students.csv > data/students.txt