diff --git a/README.md b/README.md
index a769cde..5a9c64a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,26 @@
 #calculator
-new text
+num_1 = input('Enter the first digit')
+num_2 = input('Enter the second digit')
+operator = input('Enter the operation sign')
 
-some local text
+if num_1.isdigit() and num_2.isdigit():
+   num_1 = int(num_1)
+   num_2 = int(num_2)
 
-here is a pulled change
+result = None
+if operator == '+':
+   result = num_1 + num_2
+elif operator == '-':
+   result = num_1 - num_2
+elif operator == '/':
+   result = num_1 / num_2
+elif operator == '*':
+   result = num_1 * num_2
+else:
+    print('Unknown Operator!')
+if result!= None:
+    print('{} {} {} = {}'.format(
+       num_1,
+       operator,
+       num_2,
+       result))