diff --git a/src/main.c b/src/main.c
index c015213..df15d7b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,10 +1,22 @@
 #include <ncurses.h>
+#include <stdlib.h>
 #include <string.h>
 
-void update(WINDOW *win)
+void get_data(int *speed, int *capacity)
+{
+        *speed = rand() % 201;
+        *capacity = rand() % 101;
+}
+
+void update(WINDOW *win, int data)
 {
         int win_y, win_x;
-        char message[] = "test";
+        char message[64];
+        snprintf(message, sizeof(message), "%d", data);
+
+        werase(win);
+        box(win, 0, 0);
+
         getmaxyx(win, win_y, win_x);
         mvwprintw(win, win_y/2, win_x/2 - strlen(message)/2, "%s", message);
         wrefresh(win);
@@ -16,6 +28,7 @@ int main()
         noecho();
         cbreak();
         curs_set(0);
+        nodelay(stdscr, true);
 
         int y,x;
         getmaxyx(stdscr, y, x);
@@ -33,11 +46,13 @@ int main()
         wrefresh(top_win);
         wrefresh(bottom_win);
 
+        int speed, capacity;
         int ch = ERR;
         while(ch == ERR)
         {
-                update(top_win);
-                update(bottom_win);
+                get_data(&speed, &capacity);
+                update(top_win, speed);
+                update(bottom_win, capacity);
                 ch = getch();
         };