diff --git a/main.cpp b/main.cpp
index b568345..8016909 100644
--- a/main.cpp
+++ b/main.cpp
@@ -5,39 +5,38 @@
 
 using namespace std;
 
-struct Input{
+struct Input {
     vector<double> numbers;
     size_t bin_count{};
+};
 
-}
-
-
-Input input_data(){
+// Обновленная функция input_data
+Input input_data(istream& in, bool prompt) {
     size_t number_count;
-    cerr<<"Enter 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];
 
+    if (prompt) {
+        cerr << "Enter number count: ";
     }
+    in >> number_count;
 
-    cerr<<"Enter bin count: ";
-    cin>>in.bin_count;
-    return in;
-}
+    Input input;
+    input.numbers.resize(number_count);
 
+    for (size_t i = 0; i < number_count; i++) {
+        in >> input.numbers[i];
+    }
 
+    if (prompt) {
+        cerr << "Enter bin count: ";
+    }
+    in >> input.bin_count;
 
-int main(){
+    return input;
+}
 
-    auto in = input_data();
+int main() {
+    // Вызываем input_data с cin и указанием вывода подсказок
+    auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
-
-
 }
-