diff --git a/birdie.py b/birdie.py
index a2d6bab..ee31741 100644
--- a/birdie.py
+++ b/birdie.py
@@ -1 +1,19 @@
-print('Hello world !')
+
+import pgzrun
+TITLE = "Paf l'oiseau"
+WIDTH = 400
+HEIGHT = 708
+
+def on_mouse_down():
+    print("clic souris !")
+    titi.y -=50
+def update ():
+    titi.y += titi.speed
+def draw():
+    screen.blit('background', (0, 0))
+    titi.draw()
+titi = Actor("bird1",(75,350))
+
+titi.speed = 1
+
+pgzrun.go()
\ No newline at end of file