diff --git a/Problems/main.tex b/Problems/main.tex
deleted file mode 100755
index 658110a..0000000
--- a/Problems/main.tex
+++ /dev/null
@@ -1,194 +0,0 @@
-% use [nosolutions] flag to hide solutions.
-% use [solutions] flag to show solutions.
-\documentclass[
-	solutions
-]{../resources/ormc_handout}
-
-
-\NewDocumentCommand{\p}{ m m }{
-	\problem{}
-	\getproblem{#1}{#2}
-
-	\ifsolution{#1}{#2}{
-		\begin{solution}
-			\getsolution{#1}{#2}
-		\end{solution}
-	}[
-		\ifanswer{#1}{#2}{
-			{\color{red}\textbf{Solution:}} \getanswer{#1}{#2}
-		}
-	]
-
-	\vfill
-}
-
-% Defines a new problem.
-% See problem definition files for usage examples.
-\long\def\problemdef#1#2#3{
-	\ifcsname#1:problem:#2\endcsname
-		\PackageError{Problem Sets}{Problem #1:#2 is already defined}{}
-	\fi
-
-	% Use a group to limit scope of special commands.
-	\begingroup
-
-		% \gdef = \global\def
-		% This makes problem definitions global, and not restricted to this group.
-		%
-		% ##1: used to define parametrized macros in a parametrized macro.
-		% When \problemdef is expanded, ##1 becomes #1.
-		%
-		% \long\def: like \def, but allows multi-paragraph arguments
-		% \def\name#1{def: #1}: define a macro \name with one arg. TeX primitive.
-		%
-		% We don't use \newcommand or \renewcommand here because they will fail if
-		% a macro is defined/not defined. \def will always work, defining a new name
-		% in this group, temporarily redefining existing commands.
-		%
-		% \expandafter <macro> <tokens>
-		% \expandafter command delays expanding a macro until its arguments have been expanded.
-		\long\def\difficulty##1{\expandafter\gdef\csname#1:difficulty:#2\endcsname{##1}}
-		\long\def\statement##1{\expandafter\gdef\csname#1:problem:#2\endcsname{##1}}
-		\long\def\solution##1{\expandafter\gdef\csname#1:solution:#2\endcsname{##1}}
-		\long\def\answer##1{\expandafter\gdef\csname#1:answer:#2\endcsname{##1}}
-
-		#3
-
-	\endgroup
-
-	\ifcsname#1:all\endcsname
-		\expandafter\edef\csname#1:all\endcsname{\csname#1:all\endcsname \p{#1}{#2}}
-	\else
-		\expandafter\gdef\csname#1:all\endcsname{
-			\p{#1}{#2}
-		}
-	\fi
-}
-
-\input{problems/numbertheory}
-\input{problems/algebra}
-\input{problems/combinatorics}
-\input{problems/pidgeonhole}
-
-% Gets problem data.
-% Arguments:
-%	#1: Category
-%	#2: Problem id
-%	#3: Field to get
-\NewDocumentCommand{\get}{ m m m }{
-	\ifcsname#1:#3:#2\endcsname
-		\csname#1:#3:#2\endcsname
-	\else
-		\PackageError{Problem Sets}{Problem #1:#2 is not defined}{}
-	\fi
-}
-\NewDocumentCommand{\getdifficulty}{ m m }{\get{#1}{#2}{difficulty}}
-\NewDocumentCommand{\getproblem}{ m m }{\get{#1}{#2}{problem}}
-
-
-% #1: Category
-% #2: Problem id
-% #3: Show if this problem has an answer
-% #4: Show if this problem doesn't have an answer
-\NewDocumentCommand{\ifanswer}{ m m m d[]}{
-	\ifcsname#1:answer:#2\endcsname
-		#3
-	\else
-		\IfNoValueF{#4}{#4}
-	\fi
-}
-\NewDocumentCommand{\ifsolution}{ m m m d[]}{
-	\ifcsname#1:solution:#2\endcsname
-		#3
-	\else
-		\IfNoValueF{#4}{#4}
-	\fi
-}
-
-\NewDocumentCommand{\getanswer}{ m m }{
-	\ifanswer{#1}{#2}{
-		\get{#1}{#2}{answer}
-	}[
-		\PackageError{Problem Sets}{Problem #1:#2 has no answer}{}
-	]
-}
-
-\NewDocumentCommand{\getsolution}{ m m }{
-	\ifsolution{#1}{#2}{
-		\get{#1}{#2}{solution}
-	}[
-		\PackageError{Problem Sets}{Problem #1:#2 has no solution}{}
-	]
-}
-
-%\makeatletter
-%\newcommand{\shoppinglist}[1]{Shopping list: #1\checknextarg}
-%\newcommand{\checknextarg}{\@ifnextchar\bgroup{\gobblenextarg}{ and that's all!}}
-%\newcommand{\gobblenextarg}[1]{ and also #1\@ifnextchar\bgroup%{\gobblenextarg}{ and that's all!}}
-%\makeatother
-
-\newcommand{\q}[1]{
-	\csname#1:all\endcsname
-}
-
-
-\begin{document}
-
-	\q{Algebra}
-
-	\maketitle
-		<Advanced 2>
-		<Winter 2022>
-		{Finite Automata}
-		{Prepared by Mark and Nikita on \today}
-
-
-	\section{Number Theory}
-	\p{NumberTheory}{1}
-	\p{NumberTheory}{2}
-	\p{NumberTheory}{3}
-	\p{NumberTheory}{4}
-	\p{NumberTheory}{5}
-
-	\pagebreak
-
-	\section{Algebra}
-	\p{Algebra}{1}
-	\p{Algebra}{2}
-	\p{Algebra}{3}
-	\p{Algebra}{4}
-	\p{Algebra}{5}
-
-	\pagebreak
-
-	\section{Combinatorics}
-	\p{Combinatorics}{1}
-	\p{Combinatorics}{2}
-	\p{Combinatorics}{3}
-	\p{Combinatorics}{4}
-	\p{Combinatorics}{5}
-
-	\pagebreak
-
-	\section{Pidgeonhole}
-	\p{Pidgeonhole}{1}
-	\p{Pidgeonhole}{2}
-	\p{Pidgeonhole}{3}
-	\p{Pidgeonhole}{4}
-	\p{Pidgeonhole}{5}
-	\p{Pidgeonhole}{6}
-	\p{Pidgeonhole}{7}
-	\p{Pidgeonhole}{8}
-	\p{Pidgeonhole}{9}
-	\p{Pidgeonhole}{10}
-	\p{Pidgeonhole}{11}
-	\p{Pidgeonhole}{12}
-	\p{Pidgeonhole}{13}
-	\p{Pidgeonhole}{14}
-	\p{Pidgeonhole}{15}
-	\p{Pidgeonhole}{16}
-	\p{Pidgeonhole}{17}
-	\p{Pidgeonhole}{18}
-	\p{Pidgeonhole}{19}
-
-\end{document}
\ No newline at end of file