Project Euler, Problem 16 solution

Problem 16

I like Free Software Foundation, Inc.
I like to use the right tool for the right job too.
So to get the number I typed 'bc' in the Linux command line and then '2^1000'.
Well, now I am ready to calculate the sum via JavaScript (SpiderMonkey):

 
var a="copypasted value from my command line as STRING";
var sum = 0;
for(var i = a.length - 1; i > -1; --i) sum += parseInt(a.charAt(i));
print(sum);

(time: 0.02s memory: 4984 kB on usual PC)

Congratulations, the answer you gave to problem 16 is correct.
You are the 70718th person to have solved this problem.