begin 
 integer 
  a0,
  a1,
  a2,
  a3,
  a4,
  a5,
  a6,
  a7,
  a8,
  a9,
  a10,
  a11;
 integer 
  sum;

 comment library 1;


 sum := 0;
 for a0 := 1,
  2 do 
  begin 
  sum := sum + 1;
  for a1 := 1,
   2 do 
   begin 
   sum := sum + 1;
   for a2 := 1,
    2 do 
    begin 
    sum := sum + 1;
    for a3 := 1,
     2 do 
     begin 
     sum := sum + 1;
     for a4 := 1,
      2 do 
      begin 
      sum := sum + 1;
      for a5 := 1,
       2 do 
       begin 
       sum := sum + 1;
       for a6 := 1,
        2 do 
        begin 
        sum := sum + 1;
        for a7 := 1,
         2 do 
         begin 
         sum := sum + 1;
         for a8 := 1,
          2 do 
          begin 
          sum := sum + 1;
          for a9 := 1,
           2 do 
           begin 
           sum := sum + 1;
           for a10 := 1,
            2 do 
            begin 
            sum := sum + 1;
            for a11 := 1,
             2 do 
             begin 
             sum := sum + 1;
             end 
            end 
           end 
          end 
         end 
        end 
       end 
      end 
     end 
    end 
   end 
  end;

 outreal(1, sum);

end