diff --git a/1.depend b/1.depend
index fedde6b..05a41b4 100644
--- a/1.depend
+++ b/1.depend
@@ -20,7 +20,7 @@
 	<iostream>
 	<vector>
 
-1684761954 source:c:\users\79156\desktop\3\main.cpp
+1684762502 source:c:\users\79156\desktop\3\main.cpp
 	<iostream>
 	<vector>
 	<cmath>
diff --git a/main.cpp b/main.cpp
index f23ee08..68035e8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -61,10 +61,11 @@ int main(int argc, char* argv[])
   CURLcode res;
   curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
   res = curl_easy_perform(curl);
+  if(res != CURLE_OK){
+    fprintf(stderr, "curl_easy_perform() failed: %s\n",
+            curl_easy_strerror(res));
+            exit(1);}
   curl_easy_cleanup(curl);
-  cerr << res<<endl;
-  cerr << argc<<endl;
-  cerr << argv[0];
 }
         return 0;
     }