diff --git a/main.cpp b/main.cpp
index e32179b..0a0106a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -11,23 +11,30 @@ struct Input {
 
 };
 Input
-input_data(istream& stream) {
-    Input in;
-    size_t number_count;
+input_data(istream& stream, bool prompt) {
+  Input in;
+  size_t number_count;
+  if (prompt) {
     cerr << "Enter number count: ";
-    stream >> number_count;
-    in.numbers.resize(number_count);
-    for (size_t i = 0; i < number_count; i++) {
-        stream >> in.numbers[i];
+  }
+  stream >> number_count;
+  in.numbers.resize(number_count);
+  for (size_t i = 0; i < number_count; i++) {
+    if (prompt) {
+      cerr << "Enter number " << i+1 << ": ";
     }
+    stream >> in.numbers[i];
+  }
+  if (prompt) {
     cerr << "Enter bin count: ";
-    stream >> in.bin_count;
-    return in;
+  }
+  stream >> in.bin_count;
+  return in;
 }
 
-int
-main() {
-    Input in = input_data(cin);
+int main()
+{
+    Input in = input_data(cin, false);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);