diff --git a/input.txt b/input.txt
index f1a605c..e5ead37 100644
--- a/input.txt
+++ b/input.txt
@@ -28,13 +28,13 @@ yuzde
 
 islem
 
-collect
-Extraction
-Impact
-Divide
-Percentage
+addition
+subtraction
+multiplication
+division
+percentage
 
 process
 
-number
-letter
+numbers
+letters
diff --git a/inputd.py b/inputd.py
index 574a3da..10a7b33 100644
--- a/inputd.py
+++ b/inputd.py
@@ -39,15 +39,15 @@
 
 islem=input('Gerçekleştirmek İstediğiniz İşlemi Giriniz: ')
 
-collect=float(number1)+float(number2)
-Extraction=float(number1)-float(number2)
-Impact=float(number1)*float(number2)
-Divide=float(number1)/float(number2)
-Percentage=float(number1)%float(number2)
+addition=float(number1)+float(number2)
+subtraction=float(number1)-float(number2)
+multiplication=float(number1)*float(number2)
+division=float(number1)/float(number2)
+percentage=float(number1)%float(number2)
 
 process=input('Enter the action you want to perform: ')
 
 # number,letter inputs (for random)
 
-number=[0,1,2,3,4,5,6,7,8,9,10]
-letter="a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z"
\ No newline at end of file
+numbers=[0,1,2,3,4,5,6,7,8,9,10]
+letters="a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z"
\ No newline at end of file