diff --git a/ex00/src/BitcoinExchange.cpp b/ex00/src/BitcoinExchange.cpp
index c709380..c774b04 100644
--- a/ex00/src/BitcoinExchange.cpp
+++ b/ex00/src/BitcoinExchange.cpp
@@ -184,7 +184,7 @@ static int get_input(const std::string& file_path, const std::map<unsigned int,
 	return 0;
 }
 
-unsigned int get_price(const std::string& file_path)
+void get_price(const std::string& file_path)
 {
 	static bool db_init = 0;
 	static std::map<unsigned int, float> database;
@@ -193,17 +193,4 @@ unsigned int get_price(const std::string& file_path)
 		get_data(database);
 
 	get_input(file_path, database);
-
-	return 0;
-}
-
-int main(int ac, char** av)
-{
-	if (ac != 2)
-	{
-		std::cout << "error: missing file" << std::endl;
-		return 1;
-	}
-	get_price(std::string(av[1]));
-	return 0;
 }
diff --git a/ex00/src/BitcoinExchange.hpp b/ex00/src/BitcoinExchange.hpp
index 4614fc9..a434681 100644
--- a/ex00/src/BitcoinExchange.hpp
+++ b/ex00/src/BitcoinExchange.hpp
@@ -4,3 +4,7 @@
 #define DATA_PATERN "^[0-9]{4}\\-[0-9]{2}\\-[0-9]{2},[+\\-]*[0-9]*(\\.[0-9]+)?$"
 #define INPUT 0
 #define DATABASE 1
+
+#include <string>
+
+void get_price(const std::string& file_path);
diff --git a/ex00/src/main.cpp b/ex00/src/main.cpp
new file mode 100644
index 0000000..3a4ec4d
--- /dev/null
+++ b/ex00/src/main.cpp
@@ -0,0 +1,14 @@
+#include <iostream>
+#include "BitcoinExchange.hpp"
+
+int main(int ac, char** av)
+{
+	if (ac != 2)
+	{
+		std::cout << "error: missing file" << std::endl;
+		return 1;
+	}
+	get_price(std::string(av[1]));
+	return 0;
+}
+