diff --git a/lab1.cpp b/lab1.cpp
index 113e5d9..56c33ca 100644
--- a/lab1.cpp
+++ b/lab1.cpp
@@ -10,14 +10,23 @@ struct Input {
     size_t bin_count{};
 };
 
-Input input_data(istream& in_stream) {
+Input input_data(istream& in_stream, bool prompt) {
     Input in;
     size_t number_count;
+    if (prompt) {
+        cerr << "Введите количество значений"
+    }
     in_stream >> number_count;
     in.numbers.resize(number_count);
+    if (prompt) {
+        cerr << "Введите значения"
+    }
     for (size_t i = 0; i < number_count; i++) {
         in_stream >> in.numbers[i];
     }
+    if (prompt) {
+        cerr << "Введите количество столбцов гистограммы"
+    }
     in_stream >> in.bin_count;
     return in;
 }
@@ -26,7 +35,7 @@ int main()
 {
     const size_t SCREEN_WIDTH = 80;
     const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-    auto in = input_data(cin);
+    auto in = input_data(cin, true);
     vector<double> numbers_data = in.numbers;
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins, in.numbers, in.bin_count);