diff --git a/ProposedProblems/.gitignore b/ProposedProblems/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..27c0693ac340b21726f791b805e47e8ba936a6e2
--- /dev/null
+++ b/ProposedProblems/.gitignore
@@ -0,0 +1 @@
+.ipynb_checkpoints/Problem4-checkpoint.ipynb
diff --git a/ProposedProblems/.ipynb_checkpoints/Problem3-checkpoint.ipynb b/ProposedProblems/.ipynb_checkpoints/Problem3-checkpoint.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..7fec51502cbc3200b3d0ffc6bbba1fe85e197f3d
--- /dev/null
+++ b/ProposedProblems/.ipynb_checkpoints/Problem3-checkpoint.ipynb
@@ -0,0 +1,6 @@
+{
+ "cells": [],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 4
+}