diff --git a/du2/program.c b/du2/program.c
index a910877..d55045d 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -28,14 +28,14 @@ int main() {
 
     if (fgets(line, LINE_SIZE, stdin) == NULL || !is_valid_number(line)) {
         fprintf(stderr, "Error: Invalid input for x.\n");
-        exit(EXIT_FAILURE);
+        return 1;
     }
     double x = strtod(line, NULL);
 
     while (fgets(line, LINE_SIZE, stdin) != NULL && line[0] != '\n') {
         if (!is_valid_number(line)) {
-            fprintf(stderr, "Error: Invalid input for coefficient %d.\n", n + 1);
-            exit(EXIT_FAILURE);
+            fprintf(stderr, "Nepodarilo sa nacitat polynom na %d mieste.\n", n + 1);
+            return 1;
         }
         coeffs[n++] = strtod(line, NULL);
     }