diff --git a/src/abacus.cc b/src/abacus.cc
index 5eb9e4a..3e735a0 100644
--- a/src/abacus.cc
+++ b/src/abacus.cc
@@ -1,5 +1,9 @@
-#include <iostream>
+#include "parser-driver.hh" // FIXME: I would like `parse/parser-driver.hh` path instead...
 
 int main() {
-    std::cout << "Hello World!\n";
+    abacus::parse::ParserDriver driver{};
+
+    driver.parse("-");
+
+    std::cout << driver.result();
 }
diff --git a/src/meson.build b/src/meson.build
index 50721d2..182500e 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -8,4 +8,8 @@ subdir('parse')
 abacus = executable(
   'abacus',
   sources: abacus_sources,
+  dependencies: [
+    bignum,
+    parse,
+  ],
 )