diff --git a/python3/a-very-big-sum/__main__.py b/python3/a-very-big-sum/__main__.py
new file mode 100644
index 0000000..ee15bda
--- /dev/null
+++ b/python3/a-very-big-sum/__main__.py
@@ -0,0 +1,28 @@
+#!/bin/python3
+
+import math
+import os
+import random
+import re
+import sys
+
+# Complete the aVeryBigSum function below.
+def aVeryBigSum(ar):
+    sum = 0
+    for i in ar:
+        sum += i
+    
+    return sum
+
+if __name__ == '__main__':
+    fptr = open(os.environ['OUTPUT_PATH'], 'w')
+
+    ar_count = int(input())
+
+    ar = list(map(int, input().rstrip().split()))
+
+    result = aVeryBigSum(ar)
+
+    fptr.write(str(result) + '\n')
+
+    fptr.close()
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