diff --git a/cv3/program.c b/cv3/program.c
index ae3285b..5354867 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -12,8 +12,10 @@ int main() {
     double result = 0.0;
 
      while (count < SIZE) {
-        if (scanf("%lf", &input) != 1) {
-            return 0;
+        printf("+");
+        if (scanf("%lf", &input) != 1 && input != '\n') {
+            printf("-");
+            break;
         }
         
         coefs[count] = input;