diff --git a/lisp.cpp b/lisp.cpp
new file mode 100644
index 0000000..f8eb146
--- /dev/null
+++ b/lisp.cpp
@@ -0,0 +1,326 @@
+#include<iostream>
+
+namespace S { //S-Expressions
+	template<int Name> struct Atom {const static int name = Name;};
+#define name(N,S) template<> struct Atom<-N> {const static int name = -N; char* str = #S;}; Atom<-N> typedef S;
+	name( 1,NIL)
+	name( 2,CONS)
+	name( 3,ATOM)
+	name( 4,T)
+	name( 5,F)
+	name( 6,CAR)
+	name( 7,CDR)
+	name( 8,LAMBDA)
+	name( 9,LABEL)
+	name(10,QUOTE)
+	name(11,COND)
+	name(12,EQ)
+	name(13,EQUAL)
+	name(14,LIST)
+#undef name
+//	cons
+	template<typename L, typename R>
+	struct Cons {};
+//	bool to Symbolic Bool conversion
+	template<bool B>
+	struct ToSbool {};
+	template<>
+	struct ToSbool<true> {
+		T typedef value;
+	};
+	template<>
+	struct ToSbool<false> {
+		F typedef value;
+	};
+//	Sybolic Bool to bool conversion
+	template<typename B>
+	struct ToBool {};
+	template<>
+	struct ToBool<T> {
+		const static bool value = true;
+	};
+	template<>
+	struct ToBool<F> {
+		const static bool value = false;
+	};
+}
+
+namespace M { //M-Expressions
+//	atom
+	template<typename E>
+	struct Atom {
+		S::F typedef value;
+	};
+	template<int I>
+	struct Atom<S::Atom<I> > {
+		S::T typedef value;
+	};
+//	car
+	template<typename E>
+	struct Car {};
+	template<typename A, typename D>
+	struct Car<S::Cons<A, D> > {
+		A typedef value;
+	};
+//	cdr
+	template<typename E>
+	struct Cdr {};
+	template<typename A, typename D>
+	struct Cdr<S::Cons<A, D> > {
+		D typedef value;
+	};
+//	eq
+	template<typename E1, typename E2>
+	struct Eq {};
+	template<int I1, int I2>
+	struct Eq<S::Atom<I1>, S::Atom<I2> > {
+		S::F typedef value;
+	};
+	template<int I>
+	struct Eq<S::Atom<I>, S::Atom<I> > {
+		S::T typedef value;
+	};
+//	equal
+	template<typename E1, typename E2>
+	struct Equal {
+		S::F typedef value;
+	};
+	template<typename A1, typename A2, typename D1, typename D2>
+	struct Equal<S::Cons<A1, D1>, S::Cons<A2, D2> > {
+		typename Equal<A1, A2>::value typedef EA;
+		typename Equal<D1, D2>::value typedef ED;
+		typename S::ToSbool<
+			S::ToBool<EA>::value && S::ToBool<ED>::value
+		>::value typedef value;
+	};
+	template<int I1, int I2>
+	struct Equal<S::Atom<I1>, S::Atom<I2> > {
+		typename Eq<S::Atom<I1>, S::Atom<I2> >::value typedef value;
+	};
+//	eval (prototype)
+	template<typename X, typename E>
+	struct Eval {};
+//	evlist
+	template<typename L, typename E>
+	struct Evlist {};
+	template<typename E>
+	struct Evlist<S::NIL, E> {
+		S::NIL typedef value;
+	};
+	template<typename H, typename R, typename E>
+	struct Evlist<S::Cons<H, R>, E> {
+		S::Cons<typename Eval<H, E>::value, typename Evlist<R, E>::value> typedef value;
+	};
+//	assoc
+	template<typename X, typename E>
+	struct Assoc {};
+	template<typename X, typename V, typename R>
+	struct Assoc<X, S::Cons<S::Cons<X, V>, R> > {
+		V typedef value;
+	};
+	template<typename X, typename WX, typename WV, typename R>
+	struct Assoc<X, S::Cons<S::Cons<WX, WV>, R> > {
+		typename Assoc<X, R>::value typedef value;
+	};
+//	evcond
+	template<typename C, typename E>
+	struct Evcond {};
+	template<typename V, typename R, typename E>
+	struct Evcond<S::Cons<S::Cons<S::T, S::Cons<V, S::NIL> >, R>, E> {
+		typename Eval<V, E>::value typedef value;
+	};
+	template<typename V, typename R, typename E>
+	struct Evcond<S::Cons<S::Cons<S::F, S::Cons<V, S::NIL> >, R>, E> {
+		typename Evcond<R, E>::value typedef value;
+	};
+	template<typename Tr, typename V, typename R, typename E>
+	struct Evcond<S::Cons<S::Cons<Tr, S::Cons<V, S::NIL> >, R>, E> {
+		typename Evcond<S::Cons<S::Cons<typename Eval<Tr, E>::value, S::Cons<V, S::NIL> >, R>, E>::value typedef value;
+	};
+//	pairlist
+	template<typename As, typename Ds, typename E>
+	struct Pairlist {};
+	template<typename Ds, typename E>
+	struct Pairlist<S::NIL, Ds, E> {
+		E typedef value;
+	};
+	template<typename A, typename RA, typename D, typename RD, typename E>
+	struct Pairlist<S::Cons<A, RA>, S::Cons<D, RD>, E> {
+		S::Cons<S::Cons<A, D>, typename Pairlist<RA, RD, E>::value> typedef value;
+	};
+//	eval
+	template<int I, typename E>
+	struct Eval<S::Atom<I>, E> {
+		typename Assoc<S::Atom<I>, E>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::QUOTE, R>, E> {
+		typename Car<R>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::ATOM, R>, E> {
+		typename Atom<typename Eval<typename Car<R>::value, E>::value>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::COND, R>, E> {
+		typename Evcond<R, E>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::EQ, R>, E> {
+		typename Eq<
+			typename Eval<typename Car<R>::value, E>::value,
+			typename Eval<typename Car<typename Cdr<R>::value>::value, E>::value
+		>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::EQUAL, R>, E> {
+		typename Equal<
+			typename Eval<typename Car<R>::value, E>::value,
+			typename Eval<typename Car<typename Cdr<R>::value>::value, E>::value
+		>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::CAR, R>, E> {
+		typename Car<
+			typename Eval<typename Car<R>::value, E>::value
+		>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::CDR, R>, E> {
+		typename Cdr<
+			typename Eval<typename Car<R>::value, E>::value
+		>::value typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::CONS, R>, E> {
+		S::Cons<
+			typename Eval<typename Car<R>::value, E>::value,
+			typename Eval<typename Car<typename Cdr<R>::value>::value, E>::value
+		> typedef value;
+	};
+	template<typename R, typename E>
+	struct Eval<S::Cons<S::LIST, R>, E> {
+		typename Evlist<R, E>::value typedef value;
+	};
+	template<int N, typename R, typename E>
+	struct Eval<S::Cons<S::Atom<N>, R>, E> {
+		typename Eval<S::Cons<typename Eval<S::Atom<N>, E>::value, R>, E>::value typedef value;
+	};
+	template<typename Names, typename Body, typename R, typename E>
+	struct Eval<S::Cons<S::Cons<S::LAMBDA, S::Cons<Names, S::Cons<Body, S::NIL> > >, R>, E> {
+		typename Eval<
+			Body,
+			typename Pairlist<Names, typename Evlist<R, E>::value, E>::value
+		>::value typedef value;
+	};
+	template<int N, typename Body, typename R, typename E>
+	struct Eval<S::Cons<S::Cons<S::LABEL, S::Cons<S::Atom<N>, S::Cons<Body, S::NIL> > >, R>, E> {
+		typename Eval<
+			S::Cons<Body, R>,
+			S::Cons<S::Cons<S::Atom<N>, Body>, E>
+		>::value typedef value;
+	};
+}
+
+int main() {
+/*
+Eval[
+	((LABEL Atom0
+		(LAMBDA (Atom1 Atom2) (COND
+			((EQUAL Atom1 'NIL) Atom2)
+			(T (CONS (CAR Atom1) (Atom0 (CDR Atom1) Atom2)))
+		)))
+		'(Atom3 Atom4)
+		'(Atom5 Atom6));
+	NIL
+]
+*/
+	typename M::Eval<
+		S::Cons<
+			S::Cons<
+				S::LABEL,
+			S::Cons<
+				S::Atom<0>,//concat
+			S::Cons<
+				S::Cons<
+					S::LAMBDA,
+				S::Cons<
+					S::Cons<
+						S::Atom<1>,
+					S::Cons<
+						S::Atom<2>,
+					S::NIL> >,
+				S::Cons<
+					S::Cons<
+						S::COND,
+					S::Cons<
+						S::Cons<
+							S::Cons<
+								S::EQUAL,
+							S::Cons<
+								S::Atom<1>,
+							S::Cons<
+								S::Cons<
+									S::QUOTE,
+								S::Cons<
+									S::NIL,
+								S::NIL> >,
+							S::NIL> > >,
+						S::Cons<
+							S::Atom<2>,
+						S::NIL> >,
+					S::Cons<
+						S::Cons<
+							S::T,
+						S::Cons<
+							S::Cons<
+								S::CONS,
+							S::Cons<
+								S::Cons<
+									S::CAR,
+								S::Cons<
+									S::Atom<1>,
+								S::NIL> >,
+							S::Cons<
+								S::Cons<
+									S::Atom<0>,
+								S::Cons<
+									S::Cons<
+										S::CDR,
+									S::Cons<
+										S::Atom<1>,
+									S::NIL> >,
+								S::Cons<
+									S::Atom<2>,
+								S::NIL> > >,
+							S::NIL> > >,
+						S::NIL> >,
+					S::NIL> > >,
+				S::NIL> > >,
+			S::NIL> > >,
+		S::Cons<
+			S::Cons<
+				S::QUOTE,
+			S::Cons<
+				S::Cons<
+					S::Atom<3>,
+				S::Cons<
+					S::Atom<4>,
+				S::NIL> >,
+			S::NIL> >,
+		S::Cons<
+			S::Cons<
+				S::QUOTE,
+			S::Cons<
+				S::Cons<
+					S::Atom<5>,
+				S::Cons<
+					S::Atom<6>,
+				S::NIL> >,
+			S::NIL> >,
+		S::NIL> > >,
+		S::NIL
+	>::value typedef X;
+	X::print_by_error;
+	return 0;
+}