diff --git a/cmd/lambda/benchmark_test.go b/cmd/lambda/benchmark_test.go
index eec47df..72fd5b6 100644
--- a/cmd/lambda/benchmark_test.go
+++ b/cmd/lambda/benchmark_test.go
@@ -51,11 +51,11 @@ func runSample(samplePath string) error {
 // Benchmark all samples using sub-benchmarks.
 func BenchmarkSamples(b *testing.B) {
 	samples := map[string]string{
-		"Church":     "../../samples/church.test",
-		"Fast":       "../../samples/fast.test",
-		"Saccharine": "../../samples/saccharine.test",
-		"Simple":     "../../samples/simple.test",
-		"Thunk":      "../../samples/thunk.test",
+		"Church":     "../../tests/church.test",
+		"Fast":       "../../tests/fast.test",
+		"Saccharine": "../../tests/saccharine.test",
+		"Simple":     "../../tests/simple.test",
+		"Thunk":      "../../tests/thunk.test",
 	}
 
 	for name, path := range samples {
diff --git a/samples/church.txt b/samples/church.txt
new file mode 100644
index 0000000..571d394
--- /dev/null
+++ b/samples/church.txt
@@ -0,0 +1,7 @@
+0 := \f.\x.x
+inc n := \f x.(f (n f x))
+exp n m := (m n)
+
+N := (inc (inc (inc (inc (inc 0)))))
+
+(exp N N)
diff --git a/samples/fast.txt b/samples/fast.txt
new file mode 100644
index 0000000..3c84b21
--- /dev/null
+++ b/samples/fast.txt
@@ -0,0 +1,11 @@
+fix f := (\x.(f (x x)) \x.(f (x x)))
+
+inc := (fix \self.\l.(((l \x.\y.x) ((((l \x.\y.y) \x.\y.x) \c.((c \x.\y.x) \c.((c \x.\y.y) (self ((l \x.\y.y) \x.\y.y))))) \c.((c \x.\y.x) \c.((c \x.\y.x) ((l \x.\y.y) \x.\y.y))))) \c.((c \x.\y.x) \c.((c \x.\y.x) \VAR0.\x.\y.y))))
+one := \c.((c \x.\y.x) \c.((c \x.\y.x) \VAR0.\x.\y.y))
+double := \N.\c.((c \x.\y.x) \c.((c \x.\y.y) N))
+print := (fix \self.\l.(((l \x.\y.x) (((((l \x.\y.y) \x.\y.x) 1) 0) (self ((l \x.\y.y) \x.\y.y)))) END))
+
+
+N := \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.y) \c.((c \x.\y.x) \c.((c \x.\y.x) \VAR0.\x.\y.y))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
+
+(print N)
diff --git a/samples/saccharine.txt b/samples/saccharine.txt
new file mode 100644
index 0000000..10584cf
--- /dev/null
+++ b/samples/saccharine.txt
@@ -0,0 +1,52 @@
+T x y := x
+F x y := y
+if b t e := (b t e)
+
+pair a b := \c.(c a b)
+left p := (p T)
+right p := (p F)
+
+print n := (n 0 1 end)
+
+fix f := (\x.(f (x x)) \x.(f (x x)))
+
+some x := (pair T x)
+none := \.F
+isfull := left
+unwrap := right
+
+nil := none
+push i l := (some (pair i l))
+peek l := (left (unwrap l))
+pop l := (right (unwrap l))
+ 
+inc := (fix \self l.{
+  (if (isfull l)
+    (if (peek l)
+      (push F (self (pop l)))
+      (push T (pop l))
+    )
+    (push T nil)
+  )
+})
+
+print := (fix \self l.{
+  (if (isfull l)
+    ((if (peek l) 1 0) (self (pop l)))
+    END
+  )
+})
+
+one := (push T nil)
+double N := (push F N)
+
+N :=
+  (double (double (double (double (double
+  (double (double (double (double (double
+  (double (double (double (double (double
+  (double (double (double (double (double
+  (double (double (double (double (double
+  (double (double (double (double (double
+  one))))))))))))))))))))))))))))))
+
+(print N)
diff --git a/samples/simple.txt b/samples/simple.txt
new file mode 100644
index 0000000..192f069
--- /dev/null
+++ b/samples/simple.txt
@@ -0,0 +1,16 @@
+(\0.
+  (\inc.
+    (\add.
+      (\mult.
+        (\exp.
+          (exp (inc (inc (inc (inc 0)))) (inc (inc (inc (inc (inc 0))))))
+          \n m.(m n)
+        )
+        \m n f.(m (n f))
+      )
+      \n m.(m inc n)
+    )
+    \n f x.(f (n f x))
+  )
+  \f x.x
+)
diff --git a/samples/thunk.txt b/samples/thunk.txt
new file mode 100644
index 0000000..4181291
--- /dev/null
+++ b/samples/thunk.txt
@@ -0,0 +1 @@
+(\.VALUE anything)
\ No newline at end of file