diff --git a/cpp/6 kyu - Parenthesis detector.cpp b/cpp/6 kyu - Parenthesis detector.cpp
new file mode 100644
index 0000000..fb357e1
--- /dev/null
+++ b/cpp/6 kyu - Parenthesis detector.cpp	
@@ -0,0 +1,6 @@
+struct A {
+  A operator !() { return {}; }
+  bool operator ()() { return true; }
+};
+
+#define isParenthesized !A{}