From 89bcc518750fc2120c2ea59cad2c776004b93220 Mon Sep 17 00:00:00 2001
From: user <radmirmusin46@gmail.com>
Date: Tue, 9 Dec 2025 14:32:14 +0500
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---
 2.1_lesson.18.20.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/2.1_lesson.18.20.py b/2.1_lesson.18.20.py
index e69de29..9f2ddc8 100644
--- a/2.1_lesson.18.20.py
+++ b/2.1_lesson.18.20.py
@@ -0,0 +1,7 @@
+****** Задание 18 Параграф 2.1 ******
+****** Продолжаем работать с задачей. Кстати, несмотря на ошибку аппарата, сдачу тоже нужно отдавать. ******
+
+if name == "main":
+    cost = int(input(), 2)
+    bill = int(input())
+    print(bill - cost)