diff --git a/lab1.depend b/lab1.depend
new file mode 100644
index 0000000..41143b0
--- /dev/null
+++ b/lab1.depend
@@ -0,0 +1,37 @@
+# depslib dependency file v1.0
+1713909416 source:c:\users\Ëèçà\onedrive\desktop\lab3\lab1\main.cpp
+	<iostream>
+	<vector>
+	<cmath>
+	"histogram.h"
+	"text.h"
+	"svg.h"
+
+1713895642 c:\users\Ëèçà\onedrive\desktop\lab3\lab1\histogram.h
+	<vector>
+
+1713895071 source:c:\users\Ëèçà\onedrive\desktop\lab3\lab1\histogram.cpp
+	<iostream>
+	<vector>
+	<cmath>
+	"histogram.h"
+
+1713911640 source:c:\users\Ëèçà\onedrive\desktop\lab3\lab1\svg.cpp
+	<iostream>
+	<vector>
+	"svg.h"
+
+1713902731 source:c:\users\Ëèçà\onedrive\desktop\lab3\lab1\text.cpp
+	<iostream>
+	<vector>
+	<cmath>
+	"text.h"
+
+1713902545 c:\users\Ëèçà\onedrive\desktop\lab3\lab1\text.h
+	<vector>
+
+1713912021 c:\users\Ëèçà\onedrive\desktop\lab3\lab1\svg.h
+	<iostream>
+	<string>
+	<vector>
+
diff --git a/lab1.exe b/lab1.exe
new file mode 100644
index 0000000..e69de29
diff --git a/main.cpp b/main.cpp
index 55d34dc..90ac791 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3,10 +3,10 @@
 #include <cmath>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
 using namespace std;
 
-const size_t SCREEN_WIDTH = 80;
-const size_t MAX_ASTERISK = SCREEN_WIDTH - 4;
+
 
 struct Input {
     vector<double> numbers;
@@ -36,7 +36,8 @@ input_data() {
 int main() {
     auto in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins, in.bin_count);
+    svg_rect(50, 0, bins[0] * 10, 30);
+    show_histogram_svg(bins);
 
     return 0;
 }
diff --git a/marks.svg b/marks.svg
new file mode 100644
index 0000000..e69de29
diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..fd50152
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,51 @@
+#include <iostream>
+#include <vector>
+#include "svg.h"
+
+void svg_begin(double width, double height) {
+    std::cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    std::cout << "<svg ";
+    std::cout << "width='" << width << "' ";
+    std::cout << "height='" << height << "' ";
+    std::cout << "viewBox='0 0 " << width << " " << height << "' ";
+    std::cout << "xmlns='http://www.w3.org/2000/svg'>\n";
+
+}
+
+void svg_end() {
+    std::cout << "</svg>\n";
+}
+
+void svg_text(double left, double baseline, std::string text) {
+    std::cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
+}
+
+void svg_rect(double x, double y, double width, double height, std::string stroke, std::string fill) {
+    std::cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "' />\n";
+}
+
+void show_histogram_svg(const std::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;
+    const auto BLOCK_WIDTH = 10;
+
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+
+    double top = 0;
+    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);
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}
+
+
+
+
diff --git a/svg.h b/svg.h
new file mode 100644
index 0000000..ed10ffd
--- /dev/null
+++ b/svg.h
@@ -0,0 +1,15 @@
+#ifndef SVG_H
+#define SVG_H
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+//void svg_begin(double width, double height);
+//void svg_end();
+//void svg_text(double left, double baseline, std::string text);
+void svg_rect(double x, double y, double width, double height, std::string stroke = "black", std::string fill = "black");
+void show_histogram_svg(const std::vector<size_t>& bins);
+
+#endif // SVG_H
+
diff --git a/text.cpp b/text.cpp
index 37fe5c2..95158b3 100644
--- a/text.cpp
+++ b/text.cpp
@@ -4,6 +4,9 @@
 #include "text.h"
 using namespace std;
 
+const size_t SCREEN_WIDTH = 80;
+const size_t MAX_ASTERISK = SCREEN_WIDTH - 4;
+
 void
 show_histogram_text(const vector<size_t>& bins, size_t bin_count) {
     size_t max_count = bins[0];
diff --git a/text.h b/text.h
index db04afe..9eae26c 100644
--- a/text.h
+++ b/text.h
@@ -2,4 +2,4 @@
 #include <vector>
 
 void
-show_histogram_text(const vector<size_t>& bins, size_t bin_count);
+show_histogram_text(const std::vector<size_t>& bins, size_t bin_count);
diff --git a/unittest.depend b/unittest.depend
new file mode 100644
index 0000000..53c84d3
--- /dev/null
+++ b/unittest.depend
@@ -0,0 +1,10 @@
+# depslib dependency file v1.0
+1713895071 source:c:\users\Ëèçà\onedrive\desktop\lab3\lab1\histogram.cpp
+	<iostream>
+	<vector>
+	<cmath>
+	"histogram.h"
+
+1713895642 c:\users\Ëèçà\onedrive\desktop\lab3\lab1\histogram.h
+	<vector>
+