diff --git a/src/kraken.cc b/src/kraken.cc
index 6adfd8f..e228e55 100644
--- a/src/kraken.cc
+++ b/src/kraken.cc
@@ -1,5 +1,6 @@
 #include <iostream>
 
+#include "csv/read-csv.hh"
 #include "csv/write-csv.hh"
 #include "engine/csv-engine-listener.hh"
 #include "engine/engine.hh"
@@ -15,13 +16,17 @@ int main(int argc, char** argv) {
         }
     }
 
-    auto const orders = kraken::parse::parse_orders(std::cin);
-
     auto listener = std::make_shared<kraken::engine::CsvEngineListener>();
-
     auto engine = kraken::engine::Engine(listener, cross_behaviour);
 
-    engine.process_orders(orders);
+    for (std::string line; std::getline(std::cin, line);) {
+        auto const order = kraken::parse::parse_single_order(
+            kraken::csv::read_csv_line(line));
 
-    kraken::csv::write_csv(std::cout, listener->output());
+        engine.process_single_order(order);
+
+        auto& output = listener->output();
+        kraken::csv::write_csv(std::cout, output);
+        output.resize(0);
+    }
 }