using System;
using System.Linq;

public class DivSeven
{
  static int counter=1;
  static long[] final = null;

    public static long[] Seven(long m)
    {
      string number = m.ToString();
      long x = int.Parse(number.Last().ToString());
      long first = (long)(m * Math.Pow(10, -1));

      long result = first - (2 * x);

      if (result.ToString().Length > 2)
      {
          counter++;
          Seven(result);
      }

      else
          final = new long[] { result, counter };

      return final;
    }
}