diff --git a/main.cpp b/main.cpp
index 5416286..cfc7c4f 100644
--- a/main.cpp
+++ b/main.cpp
@@ -10,9 +10,11 @@ struct Input {
     size_t bin_count{};
 };
 
-Input input_data(istream& in) {
+Input input_data(istream& in, bool prompt) {
     size_t number_count;
-    cerr << "Enter number count: ";
+    if (prompt){
+        cerr << "Enter number count: "
+    }
     in >> number_count;
 
     Input in_data;
@@ -22,14 +24,16 @@ Input input_data(istream& in) {
         in >> in_data.numbers[i];
     }
 
-    cerr << "Enter bin count: ";
+    if (prompt){
+        cer << "Enter bin count: "
+    }
     in >> in_data.bin_count;
 
     return in_data;
 }
 
 int main() {
-    auto in = input_data(cin);
+    auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
 }