diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..732307a
Binary files /dev/null and b/.DS_Store differ
diff --git a/Solutions/Multiples_of_3_and_5.py b/Solutions/Multiples_of_3_and_5.py
new file mode 100755
index 0000000..c3ae42b
--- /dev/null
+++ b/Solutions/Multiples_of_3_and_5.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+def multiples3or5(max):
+
+    sum = 0
+    for number in range(int(max)):
+        if (number % 3 == 0) or (number % 5 == 0):
+            sum = sum + number
+
+    return sum
+
+def main():
+
+    results = []
+    f = open("input.txt","r")
+    if f.mode == 'r':
+        fl = f.readlines()
+        fl.pop(0)
+        for max in fl:
+            results.append( multiples3or5(max) )
+
+    for i in results:
+        print(i)
+
+
+if __name__== "__main__":
+  main()
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diff --git a/Solutions/input.txt b/Solutions/input.txt
new file mode 100644
index 0000000..d4354fa
--- /dev/null
+++ b/Solutions/input.txt
@@ -0,0 +1,3 @@
+2
+10
+100
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