diff --git a/c++/countdwon.cpp b/c++/countdwon.cpp
new file mode 100644
index 0000000..7d23013
--- /dev/null
+++ b/c++/countdwon.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+#include <stdlib.h>
+
+unsigned short countdown(unsigned short num)
+{
+    if(!num)
+    {
+        std::cout << num << std::endl;
+        return countdown(num--);
+    }
+    else
+    {
+        std::cerr << "Boooom" << std::endl;
+        exit(-1);
+    }
+}
+
+int main(int argc, char const *argv[])
+{
+    if(argc == 2)
+    {
+        countdown(static_cast<unsigned int>argv[1]);
+        return EXIT_SUCCESS;
+    }
+    else
+    {
+        std::cerr << "usage: countdown [NUM]" << std::endl;
+        return EXIT_FAILURE;
+    }
+}