diff --git a/main.sh b/main.sh
new file mode 100644
index 0000000..9ced93a
--- /dev/null
+++ b/main.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+
+echo "Введите первое число:"
+read num1
+
+echo "Введите второе число:"
+read num2
+
+nod_result=$("$SCRIPT_DIR/script_NOD.sh" "$num1" "$num2")
+
+echo "НОД($num1, $num2) = $nod_result"
diff --git a/script_NOD.sh b/script_NOD.sh
new file mode 100755
index 0000000..0d7180f
--- /dev/null
+++ b/script_NOD.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+if [ $# -ne 2 ]; then
+    echo "Использование: $0 число1 число2"
+    exit 1
+fi
+
+a=$1
+b=$2
+
+while [ "$b" -ne 0 ]; do
+    temp=$b
+    b=$((a % b))
+    a=$temp
+done
+
+echo "$a"