diff --git a/main.cpp b/main.cpp
index 40cc40b..9c26842 100644
--- a/main.cpp
+++ b/main.cpp
@@ -48,10 +48,13 @@ struct Input {
 };
 
 Input
-input_data(istream& in)
+input_data(istream& in, bool promt)
 {
     size_t number_count;
-    cerr << "Enter number count: ";
+     if (promt)
+    {
+        cerr << "Enter number count: ";
+    }
     in >> number_count;
     Input ik;
     ik.numbers.resize(number_count);
@@ -69,7 +72,7 @@ input_data(istream& in)
 
 int main()
 {
-    auto in = input_data(cin);
+    auto in = input_data(cin, true);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
     getch();