diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f47cb20
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.out
diff --git a/a.out b/a.out
deleted file mode 100755
index 42e273c..0000000
Binary files a/a.out and /dev/null differ