diff --git a/lab01.cbp b/lab01.cbp
index fb64a0d..2e91d36 100644
--- a/lab01.cbp
+++ b/lab01.cbp
@@ -33,7 +33,13 @@
 			<Add option="-fexceptions" />
 		</Compiler>
 		<Unit filename=".gitignore" />
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
 		<Unit filename="main.cpp" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>
diff --git a/main.cpp b/main.cpp
index 1ab29a9..1fe3678 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,6 +2,7 @@
 #include <vector>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
 using namespace std;
 
 struct Input {
@@ -29,6 +30,6 @@ int main(){
     size_t max_count;
     auto in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins,in.bin_count, max_count);
+    show_histogram_svg(bins);
 return 0;
 }
diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..4f25546
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,63 @@
+#include "svg.h"
+#include <string>
+using namespace std;
+
+void svg_begin(double width, double height)
+{
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg ";
+    cout << "width='" << width << "' ";
+    cout << "height='" << height << "' ";
+    cout << "viewBox='0 0 " << width << " " << height << "' ";
+    cout << "xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void svg_end()
+{
+    cout << "</svg>\n";
+}
+
+void svg_text(double left, double baseline, string text)
+{
+
+    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
+}
+
+
+void svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black")
+{
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width
+              << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << " '/>";
+}
+void show_histogram_svg(const vector<size_t> &bins){
+
+    const auto IMAGE_WIDTH = 400;
+    const auto IMAGE_HEIGHT = 300;
+    const auto TEXT_LEFT = 20;
+    const auto TEXT_BASELINE = 20;
+    const auto TEXT_WIDTH = 50;
+    const auto BIN_HEIGHT = 30;
+
+    svg_begin(400, 300);
+    double top = 0;
+
+    size_t max_count = 0;
+    for (auto bin : bins)
+    {
+        if (bin > max_count)
+            max_count = bin;
+    }
+    const auto BLOCK_WIDTH = (IMAGE_WIDTH - TEXT_WIDTH) / max_count;
+
+    for (size_t bin : bins)
+    {
+        string color;
+        cout<< "color"<<bin<< "=";
+        cin>>color;
+        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", color);
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}
diff --git a/svg.h b/svg.h
new file mode 100644
index 0000000..bedea90
--- /dev/null
+++ b/svg.h
@@ -0,0 +1,8 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+#include <iostream>
+#include <vector>
+
+void show_histogram_svg(const std::vector<size_t> &bins);
+
+#endif // SVG_H_INCLUDED
diff --git a/unittest.cbp b/unittest.cbp
index 7f9621b..57af9d9 100644
--- a/unittest.cbp
+++ b/unittest.cbp
@@ -31,6 +31,15 @@
 		<Compiler>
 			<Add option="-Wall" />
 		</Compiler>
+		<Unit filename="doctest.h" />
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="histogram_internal.h" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="unittest.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
 		</Extensions>