diff --git a/run.h b/run.h
index d48746b03103d40620abb74f359a2a6d5315c6f3..7cd407e4356ea7398c37349e4871c152bd3383c9 100644
--- a/run.h
+++ b/run.h
@@ -5,5 +5,6 @@ int is_div(int number, int i);
 int is_prime(int number);
 int* prime_divs(int number);
 void afficherListe(int* tab);
+int run (char *input,char *output);
 
 #endif
\ No newline at end of file