using System;

public class Program

{

    public static void Main()

    {

        String s = " para atualizar o status de assinaturado contrato até o dia {1}\r\n            </p>\r\n         </td>\r\n      </tr>\r\n      \r\n      <tr>\r\n         <td>\r\n            <div style=\"width: 586px;height: 384px;left: 32px;top: 314px;background: #F7F7F7;margin: auto;\">\r\n               <h1 style=\"font-family: Helvetica;font-style: normal;font-weight: bold;font-size: 18px;padding: 25px 0px 0px 20px;margin-top: 10px;\">\r\n                  {0}"; 

        String c = String.Format(s, "1", "2");

        Console.WriteLine(c);

    }

}