diff --git a/main.cpp b/main.cpp
index e588c45..50c3d9a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,106 +1,9 @@
-#include <iostream>
-#include <vector>
-#include <limits>
+#include "histogram.h"
 
-using namespace std;
-
-const size_t SCREEN_WIDTH = 80;
-const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-
-// Структура для входных данных
-struct Input {
-    vector<double> numbers;
-    size_t bin_count{};
-};
-
-// Функция ввода данных
-Input
-input_data() {
-    Input in;
-    size_t number_count;
-
-    cerr << "Enter number count: ";
-    cin >> number_count;
-
-    in.numbers.resize(number_count);
-    cerr << "Enter " << number_count << " numbers: ";
-    for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
-    }
-
-    cerr << "Enter bin count: ";
-    cin >> in.bin_count;
-
-    return in;
-}
-
-// Функция поиска минимума и максимума
-void
-find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numeric_limits<double>::max();
-    max = numeric_limits<double>::lowest();
-
-    for (double x : numbers) {
-        if (x < min) min = x;
-        if (x > max) max = x;
-    }
-}
-
-// Функция создания гистограммы
-vector<size_t>
-make_histogram(const vector<double>& numbers, size_t bin_count) {
-    double min, max;
-    find_minmax(numbers, min, max);
-
-    if (max == min) {
-        return vector<size_t>(bin_count, numbers.size());
-    }
-
-    double bin_size = (max - min) / bin_count;
-    vector<size_t> bins(bin_count, 0);
-
-    for (double x : numbers) {
-        size_t bin_index = static_cast<size_t>((x - min) / bin_size);
-        if (bin_index >= bin_count) bin_index = bin_count - 1;
-        bins[bin_index]++;
-    }
-
-    return bins;
-}
-
-// Функция вывода гистограммы
-void
-show_histogram_text(const vector<size_t>& bins) {
-    size_t max_count = 0;
-    for (size_t count : bins) {
-        if (count > max_count) max_count = count;
-    }
-
-    cerr << "Bin counts:" << endl;
-
-    for (size_t j = 0; j < bins.size(); j++) {
-        size_t height = (max_count > MAX_ASTERISK)
-            ? static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bins[j]) / max_count))
-            : bins[j];
-
-        if (bins[j] < 10) {
-            cout << "  " << bins[j] << "|";
-        } else if (bins[j] < 100) {
-            cout << " " << bins[j] << "|";
-        } else {
-            cout << bins[j] << "|";
-        }
-
-        for (size_t k = 0; k < height; k++) cout << "*";
-        cout << endl;
-    }
-}
-
-int
-main() {
+int main() {
     auto in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_text(bins);
-
     return 0;
 }
+