diff --git a/labor01.cpp b/labor01.cpp
index 1fc90a7..744c60e 100644
--- a/labor01.cpp
+++ b/labor01.cpp
@@ -14,9 +14,10 @@ struct Input {
 Input
 input_data() {
     size_t number_count;
-    cerr << "Enter number count: ";
+    cerr << "Enter number_count: ";
     cin >> number_count;
     Input in;
+    cerr << "Enter numbers: ";
     in.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++) {
         cin >> in.numbers[i];
diff --git a/svg.cpp b/svg.cpp
index 4a8d930..08a904a 100644
--- a/svg.cpp
+++ b/svg.cpp
@@ -7,14 +7,14 @@ using namespace std;
 
 void
 svg_text(double left, double baseline, string text) {
-    cout << "<text x='" << left << "' y=' " << baseline << "'>" << text << "</text>";
+    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
 }
 
-void svg_rect(double x, double y, double width, double height) {
-    cout << "rect x='" << x << "' y=' " << y << "' width='" << width << "'height='" << height << "' />\n";
+void
+svg_rect(double x, double y, double width, double height) {
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' />\n";
 }
 
-
 void
 svg_begin(double width, double height) {
     cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
@@ -39,6 +39,7 @@ show_histogram_svg(const vector<size_t>& bins) {
     const auto TEXT_WIDTH = 50;
     const auto BIN_HEIGHT = 30;
     const auto BLOCK_WIDTH = 10;
+    svg_begin(400, 300);
     double top = 0;
     for (size_t bin : bins) {
         const double bin_width = BLOCK_WIDTH * bin;