diff --git a/birdie.py b/birdie.py
index a2d6bab..70543f7 100644
--- a/birdie.py
+++ b/birdie.py
@@ -1 +1,12 @@
-print('Hello world !')
+import pgzrun
+
+TITLE = "Paf l'oiseau"
+WIDTH = 400
+HEIGHT = 708
+
+
+def draw():
+    titi = Actor('bird1', (75, 350))
+    screen.blit('cascade', (0, 0))
+
+pgzrun.go()