diff --git a/2020/9/input b/2020/9/input
new file mode 100644
index 0000000..ce092ef
--- /dev/null
+++ b/2020/9/input
@@ -0,0 +1,1000 @@
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diff --git a/2020/9/solution.py b/2020/9/solution.py
new file mode 100644
index 0000000..7038307
--- /dev/null
+++ b/2020/9/solution.py
@@ -0,0 +1,42 @@
+#!/usr/bin/python
+
+fd = open('input', 'r')
+lines = [int(i.rstrip()) for i in fd.readlines()]
+
+data = [int(i) for i in lines[0:24]]
+found = 0
+cnt = 0
+while True:
+    num = int(lines[25 + cnt])
+
+    iicount = 0
+    for i in data:
+        for j in data:
+            if i + j == num: iicount += 1
+    if iicount == 0:
+        print(num)
+        found = num * 10
+        break
+
+    data.append(num)
+    cnt += 1
+
+found = int(found / 10)
+index = lines.index(found)
+
+relevant = lines[0:index]
+
+for i in range(len(relevant)):
+    added = []
+    tot = 0
+    elem = i
+    try:
+        while tot != found:
+            tot += relevant[elem]
+            added.append(relevant[elem])
+            elem += 1
+        added.sort()
+        print(added[0] + added[-1])
+    except:
+        pass
+