diff --git a/cv3/program.c b/cv3/program.c
index e806447..f1cea0b 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -106,7 +106,6 @@ void print_stack(struct stack* stack) {
     printf("\n");
 }
 
-r
 int is_number(const char* str) {
     char* endptr;
     strtod(str, &endptr);