Alignment model and input (#3115)

inference-engine/samples/ngraph_function_creation_sample/main.cpp

@@ -35,6 +35,14 @@ bool ParseAndCheckCommandLine(int argc, char* argv[]) {
         throw std::logic_error("Incorrect value for nt argument. It should be greater than 0 and less than 10.");
     }
 
+    if (FLAGS_m.empty()) {
+        throw std::logic_error("Path to a .bin file with weights for the trained model is required but not set. Please set -m option.");
+    }
+
+    if (FLAGS_i.empty()) {
+        throw std::logic_error("Path to an image is required but not set. Please set -i option.");
+    }
+
     return true;
 }