diff --git a/Zadanie3 b/Zadanie3
index 807c69e..d6c2191 100644
--- a/Zadanie3
+++ b/Zadanie3
@@ -1,9 +1,12 @@
-def toBinary(string):
-    return "".join([format(ord(char),'#010b')[2:] for char in string])
+from sys import argv
 
 def toString(binaryString):
     return "".join([chr(int(binaryString[i:i+8],2)) for i in range(0,len(binaryString),8)])
 
+def toBinary(string):
+    return "".join([format(ord(char),'#010b')[2:] for char in string])
+
+
 #XOR
 def xor(a, b):
  
@@ -52,16 +55,19 @@ def divide(message, poly16):
 
 
 def decode(message_final,poly16):
-
     l_poly16 = len(poly16)
     appended_message2 = message_final
     remainder = divide(appended_message2, poly16)
-    #sprawdzenie kazdego bitu
+    #Poprawione sprawdzanie
+    suma = 0
     for i in range(0, len(remainder)):
-            if '1' not in remainder:
-                print("true ")
-            elif '1' in remainder:
-                print("false ")
+            if '1' in remainder:
+                suma = suma+1
+
+    if suma == 0:
+        print("true ")
+    elif suma > 0:
+        print("false")
 
  
 def encode(message, poly16):
@@ -70,13 +76,13 @@ def encode(message, poly16):
 
     l_poly16 = len(poly16)
  
-    # Dodaj n-1 "0" do wiadomosci
+    # Dodajemy n-1 "0" do wiadomosci
     appended_message = aa + '0'*(l_poly16-1)
     remainder = divide(appended_message, poly16)
  
     message_final = aa + remainder
     print("binarnie calosc : ", message_final)
-    #konwersja z ascii do binarnego
+    #konwersja z binarnego do ascii
     ab=toString(message_final)
     print("w ascii : ", ab)
     print("sprawdzenie : ")
@@ -85,8 +91,13 @@ def encode(message, poly16):
 
     
 poly16 = "10001000000100001"
-print("podaj wiadomosc do zakodowania : ")
-message = str(raw_input())
-encode(message, poly16)
-
 
+def main():
+    global message
+    message = list(argv[1])
+    flag = argv[2] 
+    if flag == 'encode':
+        encode(message, poly16)
+    
+if __name__ == '__main__':
+    main()