diff --git a/calculator.py b/calculator.py
index 2550c49..d4fa861 100644
--- a/calculator.py
+++ b/calculator.py
@@ -5,9 +5,9 @@
 # Asks user for 2 operands and 1 operator
 # Returns output of this operation
 
-a=input("Enter number 1 : ")
-o=input("Enter operator : ")
-b=input("Enter number 2 : ")
+a=int(input("Enter number 1 : "))
+o=(input("Enter operator : "))
+b=int(input("Enter number 2 : "))
 
 if o[0] in [ '+','-','*','/' ]:
     if o[0] == '+':