diff --git a/Day-17/joe.m.py b/Day-17/joe.m.py
new file mode 100644
index 0000000..f249ec2
--- /dev/null
+++ b/Day-17/joe.m.py
@@ -0,0 +1,30 @@
+"""
+AUTHOR : JOE MARTIN RINCE
+"""
+def factorial(n):
+    if n==0 or n==1:
+        return 1
+    else:
+        return n*factorial(n-1)
+
+print(factorial(6))
+
+def fibonacci(m):
+    if m==0:
+        return 0
+    elif m==1:
+        return 1
+    else:
+        return fibonacci(m-1)+factorial(m-2)
+print(fibonacci(5))
+
+def sum_of_digits(l):
+
+    if l < 10:
+        return l
+    else:
+
+        return l % 10 + sum_of_digits(l// 10)
+
+
+print("Sum of digits:", sum_of_digits(123456))