diff --git a/main.cpp b/main.cpp
index 2c3f59f..b00c25e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,29 +4,45 @@
 
 using namespace std;
 
+struct Input
+    {
+        vector<double> numbers;
+        size_t bin_count{};
+    };
+
+    Input input_data()
+    {
+        size_t number_count;
+        cin >> number_count;
+
+        Input in;
+        in.numbers.resize(number_count);
+        for (size_t i = 0; i < number_count; i++)
+        {
+            cin >> in.numbers[i];
+        }
+        cin>> in.bin_count;
+        return in;
+    }
+
+
 int main()
 {
-    int i, j;
-    size_t number_count;
+
     const size_t screen_width = 80;
     const size_t max_asterisk = screen_width - 3 - 1;
+    int i, j;
 
-    cerr << "Enter number count : ";
-    cin >> number_count;
-    vector <double> numbers(number_count);
-    cerr << "Enter numbers : " << endl;
-    for (i = 0; i < number_count; i++)
-    {
-        cin >> numbers[i];
-    }
-    size_t bin_count;
-    cerr << "Enter bin count : ";
-    cin >> bin_count;
-    vector <size_t> bins(bin_count);
-
-    double min = numbers[0];
-    double max = numbers[0];
-    for (double x : numbers)
+
+    Input in = input_data();
+
+
+
+    vector <size_t> bins(in.bin_count);
+
+    double min = in.numbers[0];
+    double max = in.numbers[0];
+    for (double x : in.numbers)
     {
         if (x < min)
         {
@@ -38,16 +54,16 @@ int main()
         }
     }
 
-    double bin_size = (max - min) / bin_count;
+    double bin_size = (max - min) / in.bin_count;
 
-    for (size_t i = 0; i < number_count; i++)
+    for (size_t i = 0; i < in.numbers.size(); i++)
     {
         bool found = false;
-        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+        for (size_t j = 0; (j < in.bin_count - 1) && !found; j++)
         {
             auto lo = min + j * bin_size;
             auto hi = min + (j + 1) * bin_size;
-            if ((lo <= numbers[i]) && (numbers[i] < hi))
+            if ((lo <= in.numbers[i]) && (in.numbers[i] < hi))
             {
                 bins[j] ++;
                 found = true;
@@ -55,13 +71,13 @@ int main()
         }
         if (!found)
         {
-            bins[bin_count - 1]++;
+            bins[in.bin_count - 1]++;
         }
     }
 
     double max_count;
     max_count = bins[0];
-    for (i=0; i< bin_count; i++)
+    for (i=0; i< in.bin_count; i++)
     {
         if (max_count<bins[i])
         {
@@ -75,7 +91,7 @@ int main()
     {
         flag=true;
     }
-    for (j = 0; j < bin_count; j++)
+    for (j = 0; j < in.bin_count; j++)
     {
         if (bins[j] < 100)
         {