diff --git a/du2/program.c b/du2/program.c
index 285776e..fb551ce 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -9,11 +9,10 @@ int read_double(double *value, int coef_index) {
     char line[LINE_SIZE];
     if (fgets(line, LINE_SIZE, stdin) == NULL) {
         return 0; 
-            }
-    
+    }
     line[strcspn(line, "\r\n")] = 0;
     
-    
+    // Skontrolujeme, či je riadok prázdny
     if (strlen(line) == 0) {
         return 0;
     }
@@ -23,7 +22,7 @@ int read_double(double *value, int coef_index) {
     
     if (endptr == line || *endptr != '\0') {
         printf("Nepodarilo sa nacitat polynom na %d mieste.\n", coef_index);
-        exit(1);
+        return 0; 
     }
     return 1;
 }
@@ -45,7 +44,7 @@ int main() {
                 printf("Chyba: Neboli zadané žiadne koeficienty.\n");
                 return 1;
             }
-            break;
+            return 0; 
         }
         result = result * x + coef;
         coef_count++;