diff --git a/app/main.py b/app/main.py
index fa56336e..a92ac38f 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1 +1,19 @@
-# write your code here
+import random
+
+
+def flip_10_times() -> int:
+    return sum([random.randint(0, 1) for _ in range(10)])
+
+
+def flip_coin() -> dict[int, float | int]:
+    heads_count = {i: 0 for i in range(11)}
+    simulations_count = 10_000
+
+    for _ in range(0, simulations_count):
+        heads = flip_10_times()
+        heads_count[heads] += 1
+
+    result = {key: (count / simulations_count) * 100 for key, count in
+              heads_count.items()}
+
+    return result