From d28ee752ef2b8c32cb87e5c34fb0a5452f25d042 Mon Sep 17 00:00:00 2001
From: Alexander Zhirov <alexander@zhirov.website>
Date: Sun, 18 Jul 2021 17:00:17 +0300
Subject: [PATCH] lesson 16

---
 lesson_16/main.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 lesson_16/main.cpp

diff --git a/lesson_16/main.cpp b/lesson_16/main.cpp
new file mode 100644
index 0000000..40bc867
--- /dev/null
+++ b/lesson_16/main.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+
+int doubleNumber(int a)
+{
+	return a * 2;
+}
+
+int main()
+{
+	int a;
+	std::cin >> a;
+	std::cout << doubleNumber(a) << std::endl;
+}