diff --git a/main.cpp b/main.cpp
index 9901861..da8c434 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3,6 +3,10 @@
 
 using namespace std;
 
+const size_t SCREEN_WIDTH = 80;
+const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+
 struct Input {
     vector<double> numbers;
     size_t bin_count{};
@@ -11,6 +15,7 @@ struct Input {
 Input
 input_data() {
     size_t number_count;
+    cerr << "Enter number count: ";
     cin >> number_count;
 
     Input in;
@@ -20,51 +25,12 @@ input_data() {
         cin >> in.numbers[i];
     }
 
+    cerr << "Enter bin count: ";
     cin >> in.bin_count;
 
     return in;
 }
 
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numbers[0];
-    max = numbers[0];
-    for (double x : numbers) {
-        if (x < min) {
-            min = x;
-        } else if (x > max) {
-            max = x;
-        }
-    }
-}
-
-vector<size_t>
-make_histogram(const vector<double>& numbers, size_t bin_count) {
-    double min, max;
-    find_minmax(numbers, min, max);
-
-    vector<size_t> bins(bin_count, 0);
-
-    double bin_size = (max - min) / bin_count;
-
-    for (double number : numbers) {
-        bool found = false;
-        for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
-            double lo = min + j * bin_size;
-            double hi = min + (j + 1) * bin_size;
-            if (lo <= number && number < hi) {
-                bins[j]++;
-                found = true;
-            }
-        }
-        if (!found) {
-            bins[bin_count - 1]++;
-        }
-    }
-
-    return bins;
-}
-
-
 int
 main() {
     auto in = input_data();
@@ -72,3 +38,4 @@ main() {
     show_histogram_text(bins);
 }
 
+