diff --git a/day3/day.py b/day3/day.py
new file mode 100644
index 0000000..a34ff3e
--- /dev/null
+++ b/day3/day.py
@@ -0,0 +1,23 @@
+res = 0
+write = True
+
+def mul(a, b):
+    global write
+    if write:
+        global res
+        res += (a * b)
+
+def do():
+    global write
+    write = True
+
+def dont():
+    global write
+    write = False
+
+with open('parsed_sec', 'r') as file:
+    # Read each line in the file
+    for line in file:
+        # Print each line
+        exec(line)
+print(res)
\ No newline at end of file
diff --git a/day3/parser-second.sh b/day3/parser-second.sh
new file mode 100755
index 0000000..ac71e69
--- /dev/null
+++ b/day3/parser-second.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -o "mul([0-9]*[0-9],[0-9]*[0-9])\|do()\|don't()" $1 | tr -d "'"
\ No newline at end of file
diff --git a/day3/parser.sh b/day3/parser.sh
new file mode 100755
index 0000000..806f259
--- /dev/null
+++ b/day3/parser.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -o 'mul([0-9]*[0-9],[0-9]*[0-9])' $1
\ No newline at end of file