diff --git a/input.txt b/input.txt
new file mode 100644
index 0000000..6903a5a
--- /dev/null
+++ b/input.txt
@@ -0,0 +1,3 @@
+print("Hello, world!")
+System.out.print("Hello, world!");
+std::cout<<"Hello, world!";
\ No newline at end of file
diff --git a/output.txt b/output.txt
new file mode 100644
index 0000000..e69de29
diff --git a/script.py b/script.py
new file mode 100644
index 0000000..e3b8071
--- /dev/null
+++ b/script.py
@@ -0,0 +1,11 @@
+with open("output.txt", "r", encoding="utf-8") as file:
+    lines = file.readlines()
+
+# Преобразование: строки в верхний регистр
+processed_lines = [line.upper() for line in lines]
+
+# Запись результата в output.txt
+with open("output.txt", "w", encoding="utf-8") as file:
+    file.writelines(processed_lines)
+
+print("Данные успешно обработаны и сохранены в output.txt!")