diff --git a/build.py b/build.py
index 8b13789..c9b1550 100644
--- a/build.py
+++ b/build.py
@@ -1 +1,14 @@
+n = int(raw_input('Enter n :'))
 
+a,b = 0,1
+
+print a
+print b
+
+i = 2
+
+while i < n:
+	c = a+b
+	print c
+
+	a,b = b,c