diff --git a/2024/task7.cpp b/2024/task7.cpp
new file mode 100644
index 0000000..481f0b5
--- /dev/null
+++ b/2024/task7.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+using namespace std;
+
+// "256" => "256-652=-396"
+int main ()
+{
+	int a, b;
+
+	cin >> a;
+
+	int d1, d2, d3;
+	d1 = a % 10;
+	d2 = a / 10 % 10;
+	d3 = a / 100 % 10;
+
+	b = d1*100 + d2 * 10 + d3;
+
+	cout << a << '-' << b << '=' << a-b;
+
+	return 0;
+}
\ No newline at end of file