diff --git a/app/main.py b/app/main.py
index 68287892..dfbaac7b 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,5 +2,33 @@
 
 
 def cache(func: Callable) -> Callable:
-    # Write your code here
-    pass
+    cache_data = {}
+
+    def wrapper(*args) -> Callable:
+        if args in cache_data:
+            print("Getting from cache")
+            return cache_data[args]
+        print("Calculating new result")
+        result = func(*args)
+        cache_data[args] = result
+        return result
+
+    return wrapper
+
+
+@cache
+def long_time_func(a: int, b: int, c: int) -> int:
+    return (a ** b ** c) % (a * c)
+
+
+@cache
+def long_time_func_2(numbers_tuple: tuple, power: int) -> list:
+    return [number ** power for number in numbers_tuple]
+
+
+long_time_func(1, 2, 3)
+long_time_func(2, 2, 3)
+long_time_func_2((5, 6, 7), 5)
+long_time_func(1, 2, 3)
+long_time_func_2((5, 6, 7), 10)
+long_time_func_2((5, 6, 7), 10)