diff --git a/LibreOJ/5/date1.usr b/LibreOJ/5/date1.usr
new file mode 100644
index 00000000..6a21a128
--- /dev/null
+++ b/LibreOJ/5/date1.usr
@@ -0,0 +1 @@
+918
diff --git a/LibreOJ/5/date2.usr b/LibreOJ/5/date2.usr
new file mode 100644
index 00000000..9f0299f0
--- /dev/null
+++ b/LibreOJ/5/date2.usr
@@ -0,0 +1 @@
+20010911
diff --git a/LibreOJ/5/date3.usr b/LibreOJ/5/date3.usr
new file mode 100644
index 00000000..6faa9c9d
--- /dev/null
+++ b/LibreOJ/5/date3.usr
@@ -0,0 +1 @@
+1000000007
diff --git a/LibreOJ/5/date4.usr b/LibreOJ/5/date4.usr
new file mode 100644
index 00000000..38fee27f
--- /dev/null
+++ b/LibreOJ/5/date4.usr
@@ -0,0 +1 @@
+121919171932
diff --git a/LibreOJ/5/date5.usr b/LibreOJ/5/date5.usr
new file mode 100644
index 00000000..d00491fd
--- /dev/null
+++ b/LibreOJ/5/date5.usr
@@ -0,0 +1 @@
+1