diff --git a/basketballoneonone.py b/basketballoneonone.py
new file mode 100644
index 0000000..a6e90f3
--- /dev/null
+++ b/basketballoneonone.py
@@ -0,0 +1,19 @@
+def end_game(winner):
+    print(winner)
+    exit()
+
+
+game_records = input()
+a_score = 0
+b_score = 0
+
+for i in range(0, len(game_records), 2):
+    if game_records[i] == "A":
+        a_score += int(game_records[i + 1])
+    else:
+        b_score += int(game_records[i + 1])
+
+    if a_score >= 11 and (b_score < 10 or a_score - b_score >= 2):
+        end_game("A")
+    if b_score >= 11 and (a_score < 10 or b_score - a_score >= 2):
+        end_game("B")