public string Req(string m, string s, string t)
{
string method = m;
string settings = s;
string token = t;
var url = "https://api.vk.com/method/"+ method+"?"+settings+ "&access_token="+token+"&v=5.63";
WebClient client = new WebClient();
var json = client.DownloadString(url);
return json;
}