diff --git a/main.cpp b/main.cpp
index b1be722..f06ce8e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3,6 +3,9 @@
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+#include <iostream>
+#include <vector>
+#include <string>
 
 using namespace std;
 
@@ -37,7 +40,15 @@ Input input_data(istream& in, bool promt = false) {
     return qin;
 }
 
-int main() {
+int main(int argc, char* argv[]) {
+
+    if(argc > 1) {
+        cout << "argc = " << argc << endl;
+        for(int i = 0; i < argc; i++){
+            cout << "argv[" << i << "] = " << argv[i] << endl;
+        }
+        return 0;
+    }
 
     curl_global_init(CURL_GLOBAL_ALL);