diff --git a/lab01.layout b/lab01.layout
index edf0887..da1f663 100644
--- a/lab01.layout
+++ b/lab01.layout
@@ -2,29 +2,24 @@
 <CodeBlocks_layout_file>
 	<FileVersion major="1" minor="0" />
 	<ActiveTarget name="Debug" />
-	<File name="text.h" open="1" top="0" tabpos="5" split="0" active="1" splitpos="0" zoom_1="13" zoom_2="0">
-		<Cursor>
-			<Cursor1 position="69" topLine="0" />
-		</Cursor>
-	</File>
-	<File name="histogram.h" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="16" zoom_2="0">
+	<File name=".gitignore" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="15" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="175" topLine="0" />
+			<Cursor1 position="19" topLine="0" />
 		</Cursor>
 	</File>
 	<File name="main.cpp" open="1" top="1" tabpos="2" split="0" active="1" splitpos="0" zoom_1="15" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="909" topLine="23" />
+			<Cursor1 position="867" topLine="18" />
 		</Cursor>
 	</File>
-	<File name="svg.h" open="1" top="0" tabpos="7" split="0" active="1" splitpos="0" zoom_1="20" zoom_2="0">
+	<File name="svg.cpp" open="1" top="0" tabpos="8" split="0" active="1" splitpos="0" zoom_1="17" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="168" topLine="0" />
+			<Cursor1 position="18" topLine="0" />
 		</Cursor>
 	</File>
-	<File name="svg.cpp" open="1" top="0" tabpos="8" split="0" active="1" splitpos="0" zoom_1="17" zoom_2="0">
+	<File name="histogram.h" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="16" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="18" topLine="0" />
+			<Cursor1 position="175" topLine="0" />
 		</Cursor>
 	</File>
 	<File name="histogram.cpp" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="17" zoom_2="0">
@@ -32,14 +27,19 @@
 			<Cursor1 position="566" topLine="0" />
 		</Cursor>
 	</File>
-	<File name=".gitignore" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="15" zoom_2="0">
+	<File name="text.cpp" open="1" top="0" tabpos="6" split="0" active="1" splitpos="0" zoom_1="11" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="19" topLine="0" />
+			<Cursor1 position="448" topLine="0" />
 		</Cursor>
 	</File>
-	<File name="text.cpp" open="1" top="0" tabpos="6" split="0" active="1" splitpos="0" zoom_1="11" zoom_2="0">
+	<File name="svg.h" open="1" top="0" tabpos="7" split="0" active="1" splitpos="0" zoom_1="20" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="448" topLine="0" />
+			<Cursor1 position="168" topLine="0" />
+		</Cursor>
+	</File>
+	<File name="text.h" open="1" top="0" tabpos="5" split="0" active="1" splitpos="0" zoom_1="13" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="69" topLine="0" />
 		</Cursor>
 	</File>
 </CodeBlocks_layout_file>
diff --git a/main.cpp b/main.cpp
index 94280cd..76f43d8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -18,17 +18,23 @@ struct Input {
 };
 
 Input
-input_data(istream& in) {
+input_data(istream& in,bool prompt) {
+    string a, b, c;
+    if(prompt== true){
+    a = "Enter number count:";
+    b = "Enter numbers:";
+    c = "Enter bin count:";
+    }
     size_t number_count;
-    cerr << "Enter number count: ";
+    cerr << a;
     in >> number_count;
 
     Input on;
     on.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++) {
-        cerr << "Enter number " << i+1 << ": ";
+        cerr << b << i+1 << ": ";
         in >> on.numbers[i];}
-    cerr << "Enter bin count: ";
+    cerr << c;
     in >> on.bin_count;
 
     on.n = 0;
@@ -44,11 +50,16 @@ input_data(istream& in) {
 
 
 
-int main()
+int main(int argc, char* argv[])
 {
+    if (argc > 1) {
+        cerr << "argv[0] = " << argv[0] <<'\n';
+        cerr << "argc = " << argc;
+        return 0;}
+
     curl_global_init(CURL_GLOBAL_ALL);
 
-    auto in = input_data(cin);
+    auto in = input_data(cin,true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
     return 0;