#include <stdio.h>
int main() {
printf("Content-Type: text/html;charset=utf-8\n\n");
printf("<!DOCTYPE html>\n");
printf("<html>\n");
printf("<head>\n");
printf("<title>Bootstrap Form</title>\n");
printf("<link rel=\"stylesheet\" href=\"https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css\">\n");
printf("</head>\n");
printf("<body>\n");
printf("<div class=\"container\">\n");
printf("<h2>Bootstrap Form</h2>\n");
printf("<form>\n");
printf("<div class=\"form-group\">\n");
printf("<label for=\"exampleFormControlInput1\">Email address</label>\n");
printf("<input type=\"email\" class=\"form-control\" id=\"exampleFormControlInput1\" placeholder=\"[email protected]\">\n");
printf("</div>\n");
printf("<div class=\"form-group\">\n");
printf("<label for=\"exampleFormControlSelect1\">Example select</label>\n");
printf("<select class=\"form-control\" id=\"exampleFormControlSelect1\">\n");
printf("<option>1</option>\n");
printf("<option>2</option>\n");
printf("<option>3</option>\n");
printf("<option>4</option>\n");
printf("<option>5</option>\n");
printf("</select>\n");
printf("</div>\n");
printf("<div class=\"form-group\">\n");
printf("<label for=\"exampleFormControlTextarea1\">Example textarea</label>\n");
printf("<textarea class=\"form-control\" id=\"exampleFormControlTextarea1\" rows=\"3\"></textarea>\n");
printf("</div>\n");
printf("<div class=\"form-group\">\n");
printf("<div class=\"form-check\">\n");
printf("<input class=\"form-check-input\" type=\"checkbox\" id=\"gridCheck\">\n");
printf("<label class=\"form-check-label\" for=\"gridCheck\">\n");
printf("Check me out\n");
printf("</label>\n");
printf("</div>\n");
printf("</div>\n");
printf("<button type=\"submit\" class=\"btn btn-primary\">Submit</button>\n");
printf("</form>\n");
printf("</div>\n");
printf("</body>\n");
printf("</html>\n");
return 0;
}