diff --git a/lab3/app/Main.hs b/lab3/app/Main.hs
index eb574f9..4f1807b 100644
--- a/lab3/app/Main.hs
+++ b/lab3/app/Main.hs
@@ -1,28 +1,31 @@
 module Main (main) where
 
+import Text.Read (readMaybe)
 import Codec.Picture
 import qualified Data.Vector.Unboxed as VU
 import Lib
 
 
-caesarShift :: Int
-caesarShift = 66
-
-bitsPerByte :: Int
-bitsPerByte = 1
-
-sourceTextPath :: String
-sourceTextPath = "resources/biography.txt"
-sourceImagePath :: String
-sourceImagePath = "resources/david.bmp"
-encodedImagePath :: String
-encodedImagePath = "tmp/david_" ++ show caesarShift ++ ".bmp"
-decodedTextPath :: String
-decodedTextPath = "tmp/biography.txt"
-
 main :: IO ()
 main = do
-    putStrLn $ "Чтение текста из файла \"" ++ sourceTextPath ++ "\""    
+    putStrLn "Введите значение сдвига для шифра Цезаря:"
+    inputCaesarShift <- getLine
+    let caesarShift = case readMaybe inputCaesarShift of
+            Just value -> value
+            Nothing -> error "Ожидалось целое число!"
+
+    putStrLn "Введите количество бит для кодирования:"
+    inputBitsPerByte <- getLine
+    let bitsPerByte = case readMaybe inputBitsPerByte of
+            Just value -> value
+            Nothing -> error "Ожидалось целое число!"
+    
+    let sourceTextPath = "resources/biography.txt"
+    let sourceImagePath = "resources/david.bmp"
+    let encodedImagePath = "tmp/david_" ++ show caesarShift ++ ".bmp"
+    let decodedTextPath = "tmp/biography.txt"
+
+    putStrLn $ "\nЧтение текста из файла \"" ++ sourceTextPath ++ "\""    
     inputText <- readFile sourceTextPath
     putStrLn $ "10 символов текста: \"" ++ take 10 inputText ++ "\""