diff --git a/Day-1/day1-2.py b/Day-1/day1-2.py
new file mode 100644
index 0000000..0309acd
--- /dev/null
+++ b/Day-1/day1-2.py
@@ -0,0 +1,33 @@
+#!/usr/bin/python3
+
+# Variables to hold our totals.
+increased = 0
+decreased = 0
+
+# Read in the input file and make it an array.
+with open('input.txt', 'r') as inputFile:
+    rawValues = []
+    for line in inputFile:
+        rawValues.append(int(line))
+
+# Sum up numbers in 3's and add them to a new array.
+values = []
+for i in range(0, len(rawValues) - 2):
+    values.append(rawValues[i] + rawValues[i+1] + rawValues[i+2])
+
+# Loop through the array skipping the first value.
+for v in range(0, len(values)):
+    if(v == 0):
+        continue
+    
+    # Check each value against the one before it.
+    if(values[v - 1] < values[v]):
+        increased+=1
+    elif(values[v - 1] > values[v]):
+        decreased+=1
+    else:
+        pass
+
+# Print the output.
+print("Decreased: " + str(decreased))
+print("Increased: " + str(increased))
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