diff --git a/main.cpp b/main.cpp
index ac4538c..bbd7544 100644
--- a/main.cpp
+++ b/main.cpp
@@ -13,22 +13,29 @@ struct Input
 };
 
 Input
-input_data(istream& in)
+input_data(istream& in, bool promt = true)
 {
     Input data;
     size_t number_count;
+    if (promt = true){
     cerr << "Enter number bins: ";
+    }
     in >> number_count;
     data.numbers.resize(number_count);
 
     vector<double> numbers(number_count);
 
+    if (promt = true){
+     cerr << "Enter numbers: ";
+    }
     for (size_t i = 0; i < number_count; i++)
     {
-        cerr << "Enter numbers: ";
         in >> data.numbers[i];
     }
+
+    if (promt = true){
     cerr << "Enter numbers: ";
+    }
     in >> data.bin_count;
     return data;
 }