diff --git a/main.cpp b/main.cpp
index bf38e37..ad45d55 100644
--- a/main.cpp
+++ b/main.cpp
@@ -12,34 +12,34 @@ struct Input
     size_t bin_count{};
 };
 
-Input input_data()
-{
-    size_t number_count;
+Input
+input_data(istream& in) {
+   size_t number_count;
     cerr << "Enter number count: ";
-    cin >> number_count;
+    in >> number_count;
 
-    Input in;
-    in.numbers.resize(number_count);
+    Input data;
+    data.numbers.resize(number_count);
 
     vector<double> numbers(number_count);
     for (int i = 0; i < number_count; i++)
     {
         cerr << "Number[" << i << "]=";
-        cin >> in.numbers[i];
+        in >> data.numbers[i];
     }
 
     cerr << "Enter bin count: ";
-    cin >> in.bin_count;
-    return in;
+    in >> data.bin_count;
+    return data;
 }
 
 int main()
 {
-    Input in = input_data();
+    auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);
-    double min, max;
+    /*double min, max;
     double bin_size = (max - min) / in.bin_count;
-    //show_histogram_text(bins,in.bin_count, bin_size);
+    show_histogram_text(bins,in.bin_count, bin_size);*/
     show_histogram_svg(bins);
     return 0;
 }