diff --git a/flap/questions/retrolixToX86_64/05.retrolix b/flap/questions/retrolixToX86_64/05.retrolix
index e69de29..3fa8f67 100644
--- a/flap/questions/retrolixToX86_64/05.retrolix
+++ b/flap/questions/retrolixToX86_64/05.retrolix
@@ -0,0 +1,12 @@
+globals ()
+  %rdi <- copy 1;
+  %rsi <- copy 2;
+  %rdx <- copy 3;
+  %rcx <- copy 4;
+  %r8  <- copy 5;
+  %r9  <- copy 6;
+  add_eight_int(7, 8);
+
+  %rdi <- copy %rax;
+  observe_int();
+end