%% method 1: use cell arrays to grow a vector when you don't know the final
%
%evenRna = [];
%while mod(length, 3) == 1
%    evenRna = [newRna 0];
%end


i = 0;
while mod(length, 3) == 1
	i = i+1;
end

z = zeros(i,1);

evenRna = [newRna; z];