diff --git a/lesson_47/main.cpp b/lesson_47/main.cpp
new file mode 100644
index 0000000..1cdc7bc
--- /dev/null
+++ b/lesson_47/main.cpp
@@ -0,0 +1,28 @@
+/*
+ * main.cpp
+ *
+ *  Created on: 7 сент. 2021 г.
+ *      Author: alexander
+ */
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+int main()
+{
+	cout << "Введите число от 0 до 255: ";
+	int n;
+	cin >> n;
+	cout << "Число " << n << " в двоичной системе счисления: ";
+
+	for (int i = 7; i >= 0; --i)
+	{
+		int degree = pow(2, i);
+		cout << (n >= degree) << (i == 4 ? " " : "");
+		if (degree <= n)
+			n -= degree;
+	}
+
+	return 0;
+}