diff --git a/bin/Debug/devlab1.exe b/bin/Debug/devlab1.exe
index bdc69c1..eb53047 100644
Binary files a/bin/Debug/devlab1.exe and b/bin/Debug/devlab1.exe differ
diff --git a/devlab1.depend b/devlab1.depend
index 826bae6..a2d396f 100644
--- a/devlab1.depend
+++ b/devlab1.depend
@@ -1,5 +1,5 @@
 # depslib dependency file v1.0
-1682334548 source:c:\program files\codeblocks\devlab1\main.cpp
+1685054501 source:c:\program files\codeblocks\devlab1\main.cpp
 	<iostream>
 	<vector>
 	<cmath>
@@ -24,7 +24,7 @@
 1682337558 c:\program files\codeblocks\devlab1\svg.h
 	<vector>
 
-1682339123 source:c:\program files\codeblocks\devlab1\svg.cpp
+1685054342 source:c:\program files\codeblocks\devlab1\svg.cpp
 	"svg.h"
 	<iostream>
 	<vector>
diff --git a/histogram.cpp b/histogram.cpp
index f587c5b..054221b 100644
--- a/histogram.cpp
+++ b/histogram.cpp
@@ -23,8 +23,8 @@ make_histogram(const vector<double> &numbers,size_t bin_count)
 {
     float lo,hi,dif;
     double min, max;
-    if(!find_minmax(numbers, min, max))
-        return 1;
+   // if(!find_minmax(numbers, min, max))
+    //    return 1;
     vector <size_t> bins(bin_count) ;
     dif=(max - min)/bin_count;
     for(int i=0; i < numbers.size(); i++)
diff --git a/main.cpp b/main.cpp
index 5d48798..7d0ed20 100644
--- a/main.cpp
+++ b/main.cpp
@@ -12,22 +12,31 @@ struct Input
     int bin_count;
 };
 Input
-input_data()
+input_data(istream& in)
 {
     size_t number_count=0;
-    cerr<<"amount of numbers is ";
-    cin >> number_count;
-    Input in;
-    in.numbers.resize(number_count);
-    cerr<<"let's intro numbers ";
+    bool prompt;
+    if (promt){
+        cerr<<"amount of numbers is ";
+    }
+
+    in >> number_count;
+    Input inp;
+    inp.numbers.resize(number_count);
+    if (promt){
+        cerr<<"let's intro numbers ";
+    }
+
     for (size_t i = 0; i < number_count; i++)
     {
-        cin >> in.numbers[i];
+        in >> inp.numbers[i];
     }
     size_t bin_count=0;
+    if (promt){
     cerr<<"amount of bins is ";
-    cin >> in.bin_count;
-    return in;
+    }
+    in >> inp.bin_count;
+    return inp;
 }
 //4199705
 //0x71fdf8
@@ -35,14 +44,14 @@ input_data()
 
 int main()
 {
-    auto in = input_data();
+    auto inp = input_data(cin);
 
 
 
             //std::cout<<in.bin_count<<endl;
 
 
-    auto bins = make_histogram(in.numbers, in.bin_count);
+    auto bins = make_histogram(inp.numbers, inp.bin_count);
     show_histogram_svg(bins);
 
 
diff --git a/obj/Debug/histogram.o b/obj/Debug/histogram.o
index abc95a4..60b18c7 100644
Binary files a/obj/Debug/histogram.o and b/obj/Debug/histogram.o differ
diff --git a/obj/Debug/main.o b/obj/Debug/main.o
index 09cd2b8..f0ae973 100644
Binary files a/obj/Debug/main.o and b/obj/Debug/main.o differ
diff --git a/obj/Debug/svg.o b/obj/Debug/svg.o
index c9e3f38..c53a955 100644
Binary files a/obj/Debug/svg.o and b/obj/Debug/svg.o differ
diff --git a/svg.cpp b/svg.cpp
index 4a6f9a4..117c788 100644
--- a/svg.cpp
+++ b/svg.cpp
@@ -4,21 +4,7 @@
 
 using namespace std;
 
-bool inbl(const int& BLOCK_WIDTH)
-{
-    if (BLOCK_WIDTH>30)
-    {
-        cerr<< "too big, please make it smaller\n";
-        return false;
-    }
-    if (BLOCK_WIDTH<3)
-    {
-        cerr<< "too small, please make it bigger\n";
-        return false;
-    }
-    return true;
 
-}
 
 void
 svg_begin(double width, double height)
@@ -56,7 +42,7 @@ show_histogram_svg(vector<long long unsigned int> & bins)
     const auto IMAGE_HEIGHT = 300;
     const auto TEXT_LEFT = 20;
     const auto TEXT_BASELINE = 20;
-
+    const auto BLOCK_WIDTH = 20;
     const auto TEXT_WIDTH = 50;
     const auto BIN_HEIGHT = 30;
     const auto MAX_ASTERISK1 = 30;
@@ -73,14 +59,7 @@ show_histogram_svg(vector<long long unsigned int> & bins)
 
     int i = 0;
 
-    int BLOCK_WIDTH;
 
-    while (true){
-        cerr << "block width: ";
-        cin >> BLOCK_WIDTH;
-        if(inbl(BLOCK_WIDTH))
-            break;
-    }
 
     auto maxb1 = maxb * BLOCK_WIDTH;