diff --git a/svg.cpp b/svg.cpp
index b36fdc0..7ef7072 100644
--- a/svg.cpp
+++ b/svg.cpp
@@ -1,3 +1,4 @@
+
 #include "svg.h"
 #include <string>
 using namespace std;
@@ -47,19 +48,42 @@ void show_histogram_svg(const vector<size_t> &bins){
         if (bin > max_count)
             max_count = bin;
     }
-    const auto BLOCK_WIDTH = (IMAGE_WIDTH - TEXT_WIDTH) / max_count;
+	cout << "Block_wight=";
+    double BLOCK_WIDTH;
+    cin >> BLOCK_WIDTH;
+    bool prov=1;
+    if((BLOCK_WIDTH<3) || (BLOCK_WIDTH>30)){
+        prov=0;
+        while(prov==0){
+        cout<< "Error range from 3 to 30 pi" << endl;
+        cout<< "Block_wight=";
+        cin >> BLOCK_WIDTH;
+        if((BLOCK_WIDTH>3) && (BLOCK_WIDTH<30) ){
+            prov=1;
+            }
+    }
+  }
+
 
     for (size_t bin : bins)
     {
         const double bin_width = BLOCK_WIDTH * bin;
         svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "blue", "#aaffaa");
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "blue", "green");
         top += BIN_HEIGHT;
     }
-    // svg_text(20, 20, std::to_string(bins[0]));
-    // svg_rect(50, 0, bins[0] * 10, 30);
+
+
+
+
+
+
+
+
+
+
+
     svg_end();
 }
 
 
-