diff --git a/birdie.py b/birdie.py
index a2d6bab..cf00492 100644
--- a/birdie.py
+++ b/birdie.py
@@ -1 +1,10 @@
-print('Hello world !')
+import pgzrun
+
+TITTLE = "Paf l'oiseau"
+WIDTH = 400
+HEIGHT = 708
+
+def draw():
+    screen.blit('background',(0,0))
+
+pgzrun.go()