diff --git a/lab1.cpp b/lab1.cpp
index 14127b8..ab16275 100644
--- a/lab1.cpp
+++ b/lab1.cpp
@@ -5,46 +5,58 @@
 #include <vector>
 #include <cmath>
 
-
 using namespace std;
-int main()
-{
+
+
+
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+};
+
+Input
+input_data() {
     size_t number_count;
-    size_t bin_count;
-    cerr << "Enter number count:";
     cin >> number_count;
+    Input in;
+    in.numbers.resize(number_count);
 
-    vector<double> numbers(number_count);
     for (size_t i = 0; i < number_count; i++) {
-        cin >> numbers[i];
+        cin >> in.numbers[i];
     }
 
-    cerr << "Enter number of bins:";
-    cin >> bin_count;
+    cout << "Enter number of bins";
+    cin >> in.bin_count;
+    return in;
+}
 
-    vector<size_t> bins(bin_count);
-    vector<size_t> binss(bin_count);
-
-    float t = numbers[0];
-    for (size_t i = 0; i < number_count; i++) {
-        if (numbers[i] < t) {
-            t = numbers[i];
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
+    min = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] < min) {
+            min = numbers[i];
         }
     }
 
-    float min = t;
-    t = numbers[0];
-    for (size_t i = 0; i < number_count; i++) {
-        if (numbers[i] > t) {
-            t = numbers[i];
+    max = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] > max) {
+            max = numbers[i];
         }
     }
 
-    float max = t;
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
 
+    vector<size_t> bins(bin_count);
+    vector<size_t> binss(bin_count);
+
+    double max, min;
+    find_minmax(numbers, min, max);
     double bin_size = (max / min) / bin_count;
 
-    for (size_t i = 0; i < number_count; i++) {
+    for (size_t i = 0; i < numbers.size(); i++) {
         bool found = false;
         for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
             auto lo = min + j * bin_size;
@@ -59,10 +71,6 @@ int main()
         }
     }
 
-    for (size_t i = 0; i < bin_count; i++) {
-        binss[i] = bins[i];
-    }
-
     int max_count = bins[0];
     for (size_t i = 0; i < bin_count; i++) {
         if (bins[i] > max_count) {
@@ -78,20 +86,33 @@ int main()
             bins[i] = height;
         }
     }
+    return bins;
+}
+
+void show_histogram_text(vector <size_t> bins, size_t bin_count ) {
 
     for (size_t i = 0; i < bin_count; i++) {
-        if (binss[i] < 100) {
+        if (bins[i] < 100) {
             cout << " ";
         }
-        if (binss[i] < 10) {
+        if (bins[i] < 10) {
             cout << " ";
         }
-        cout << bins[i] << "%" << "|";
-        for (size_t j = 0; j < binss[i]; j++) {
+        cout << bins[i] << "|";
+        for (size_t j = 0; j < bins[i]; j++) {
             cout << "*";
         }
         cout << "\n";
     }
+}
+
+
+
+int main()
+{   
+    Input in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins, in.bin_count);
 
 
     }