var
i,s:integer;
arr11: array[1..5] of integer;
  begin
  arr11[1]:=12;
  write(arr11[1],':');
  for i:=2 to 5 do
    begin
    arr11[i]:=arr11[i-1]+2;
    write(arr11[i],':');
    end;
  writeln('');
  s:=0;
  for i:=1 to 5 do
  s:=s+arr11[i];
  write(s);
  end.