diff --git a/svg01.cpp b/svg01.cpp
index 0562197..42afd40 100644
--- a/svg01.cpp
+++ b/svg01.cpp
@@ -33,19 +33,19 @@ svg_rect(double x, double y, double width, double height, string colors_stroke,
 void
 input_colors(string &colors_stroke, string &colors_fill){
     string color_personal;
-    cout << "Do you want to change colors? Yes/No" << endl;
+    cerr << "Do you want to change colors? Yes/No" << endl;
     cin >> color_personal;
     while ((color_personal != "No") && (color_personal != "Yes")){
-        cout << "WRONG ANSWER! Try again!" << endl;
+        cerr << "WRONG ANSWER! Try again!" << endl;
         cin >> color_personal;
     }
     if (color_personal == "No"){
         return;
     }
     else {
-        cout << "What color for a stroke do you want?" << endl;
+        cerr << "What color for a stroke do you want?" << endl;
         cin >> colors_stroke;
-        cout << "What color to fill do you want?" << endl;
+        cerr << "What color to fill do you want?" << endl;
         cin >> colors_fill;
     }
     return;