diff --git a/a.dat b/a.dat
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/a.dat
diff --git a/b.dat b/b.dat
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/b.dat
diff --git a/c.dat b/c.dat
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/c.dat
diff --git a/mars.txt b/mars.txt
index 8dbd381..1079c8f 100644
--- a/mars.txt
+++ b/mars.txt
@@ -1,2 +1,3 @@
 A red planet
 its really dry here
+hi moon!
diff --git a/results/a.out b/results/a.out
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/results/a.out
diff --git a/results/b.out b/results/b.out
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/results/b.out