diff --git a/sub.py b/sub.py
index 43eaec2..39372e4 100644
--- a/sub.py
+++ b/sub.py
@@ -21,12 +21,11 @@ def mySub(number1,number2):
 	Return Value   : Difference of given two numbers.
 	'''
 	#Approach      : Use of recursion and myIncrement function.
-	if number2==0:
-		return number1
-	else:
+	if number2!=0:
 		number1=pred.predecessor(number1)
 		number1=mySub(number1,pred.predecessor(number2))
-		return number1
+	
+	return number1
 
 def main():
 	'''
@@ -47,4 +46,4 @@ def main():
 if __name__ == '__main__':
 	main()
 
-	
\ No newline at end of file
+