f = zeros(1,1994);

f(1) = 1;

for n = 2 : 1994
	x = n;
	if rem(x,2) == 0
		x = x / 2;
		f(n) = f(x);
	else
		x = x-1;
		f(n) = f(x)+1;
	end
end

max(f)