import java.io.BufferedReader;
import java.io.InputStreamReader;

class Main
{
  public static void main (String[] args) throws java.lang.Exception
  {
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
    String s = bufferedReader.readLine().split(" ")[0];
    if (s.substring(s.length() - 2, s.length() - 2 + 2).equals("00"))
    {
      System.out.print(s.substring(0, s.length() - 2));
    }
    else
    {
      for (int i = s.length() - 3; i >= 0; --i)
      {
        if ((int)s.charAt(i) - 48 + 1 == 10)
        {
          s = s.substring(0, i) + "0" + s.substring(i + 1);
          System.out.println(s);
          //s.charAt(i) = '0';
          if (i == 0)
          {
            System.out.print("1");
          }
          continue;
        }
        else
        {
        	s = s.substring(0, i) + (char)(s.charAt(i) + 1) + s.substring(i + 1);
          //s.charAt(i)++;
          break;
        }
      }
      System.out.print(s.substring(0, s.length() - 2));
    }
    return;
  }
}