diff --git a/src/account.h b/src/account.h
new file mode 100644
index 0000000..586bfe6
--- /dev/null
+++ b/src/account.h
@@ -0,0 +1,15 @@
+#ifndef ACCOUNT_H
+#define ACCOUNT_H
+
+#include"case.h"
+#include<vector>
+
+class Authenticator{
+  private:
+    std::vector<User> users;
+  public:
+    User* authenticate(const std::string& username,const std::string& password);
+    Authenticator();
+};
+
+#endif
\ No newline at end of file