diff --git a/main.cpp b/main.cpp
index 8c810cf..a28a84d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3,6 +3,7 @@
 #include <vector>
 #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 - 3 - 1;
@@ -13,17 +14,17 @@ struct Input {
 };
 
 Input
-input_data() {
+input_data(istream& in) {
     size_t number_count;
-    cin >> number_count;
-    Input in;
-    in.numbers.resize(number_count);
+    in >> number_count;
+    Input inn;
+    inn.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+        in >> inn.numbers[i];
     }
     size_t bin_count;
-    cin >> in.bin_count;
-    return in;
+    in >> inn.bin_count;
+    return inn;
 }
 
 
@@ -34,9 +35,9 @@ input_data() {
 
 int main()
 {
-    auto in = input_data();
+    auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins);
+    show_histogram_svg(bins);
     return 0;
 }