diff --git a/f.txt b/f.txt
new file mode 100644
index 0000000..db258ca
--- /dev/null
+++ b/f.txt
@@ -0,0 +1 @@
+printf(123)
diff --git a/j1.txt b/j1.txt
new file mode 100644
index 0000000..e69de29
diff --git a/j2.txt b/j2.txt
new file mode 100644
index 0000000..e69de29
diff --git a/k2.txt b/k2.txt
new file mode 100644
index 0000000..e69de29
diff --git a/m2.txt b/m2.txt
new file mode 100644
index 0000000..e69de29