diff --git a/main.cpp b/main.cpp
index e96472a..b045062 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3,7 +3,15 @@
 
 #include "sa.hpp"
 
-int main()
+#ifndef TEMP
+#define TEMP 1000
+#endif
+
+#ifndef ALPHA
+#define ALPHA 0.99
+#endif
+
+int main(int argc, char *argv[])
 {
 	int number_of_items = 0;
 	int capacity = 0;
@@ -15,7 +23,7 @@ int main()
 	}
 
 	sa::solution act = sa::solution::simulated_annealing(capacity, items,
-							     1000, 0.99);
+							     TEMP, ALPHA);
 
 	act.print_sol();
 }
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..374d83c
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+IFS=$'\n'
+
+for file in $(find test -type f); do
+	build/main.out < $file
+done
diff --git a/sa.hpp b/sa.hpp
index 6189ee1..a9dd6cc 100644
--- a/sa.hpp
+++ b/sa.hpp
@@ -80,7 +80,6 @@ class solution {
 		for (auto i : items) {
 			if (now + i > capacity) {
 				print_box(box_now, items_stored);
-				std::cout << '\n';
 				box_now++;
 				now = i;
 			} else {
@@ -90,6 +89,7 @@ class solution {
 		}
 
 		print_box(box_now, items_stored);
+		std::cout << '\n';
 	}
 
 	static auto simulated_annealing(int capacity, const std::vector<long long> &items,