diff --git a/ExtraLongFactorials.py b/ExtraLongFactorials.py
new file mode 100644
index 0000000..c5f5ed9
--- /dev/null
+++ b/ExtraLongFactorials.py
@@ -0,0 +1,20 @@
+#!/bin/python3
+
+import math
+import os
+import random
+import re
+import sys
+
+# Complete the extraLongFactorials function below.
+def extraLongFactorials(n):
+    f=1
+    for i in range(1,n+1):
+        f*=i
+    print(f)
+
+
+if __name__ == '__main__':
+    n = int(input())
+
+    extraLongFactorials(n)