diff --git a/main.py b/main.py
index 106525d..cc6ff48 100644
--- a/main.py
+++ b/main.py
@@ -28,22 +28,36 @@ def clear():
 def evaluate(inp, count):
     inp = str(inp)
     if re.search("^\d+$", inp):
-        count = len(inp)
-        return count
+        if len(inp) > count:
+            data = ("msg", "ER01", "Tolika kostkami nemůžete hodit. Zkuste to znovu:", count)
+            return data
+        else:
+            count = len(inp)
+            data = ("count", count)
+            return data
 
-def game(count):
-    new_throw = throw(count)
-    clear()
-    print(show_throw(new_throw))
-    inp = input("Vyberte, kterými kostkami chcete hodit znovu (např. 135):")
-    count = evaluate(inp, count)
-    game(count)
+def game(data: tuple):
+    if data[0] == "count":
+        count = data[1]
+        new_throw = throw(count)
+        clear()
+        print(show_throw(new_throw))
+        inp = input("Vyberte, kterými kostkami chcete hodit znovu (např. 135):")
+        data = evaluate(inp, count)
+        game(data)
+    elif data[0] == "msg":
+        if data[1] == "ER01":
+            msg = data[2]
+            count = data[3]
+            inp = input(msg)
+            data = evaluate(inp, count)
+            game(data)
 
 def main():
     print("Vítejte ve hře v kostky!")
     input("Prosím, stiskněte enter pro první hod:")
-    count = 6
-    game(count)
+    data = ("count", 6)
+    game(data)
 
 if __name__ == "__main__":
     main()