problem.js

var input = 'ABbCcc\n\
Good luck in the Facebook Hacker Cup this year!\n\
Ignore punctuation, please :\n)\
Sometimes test cases are hard to make up\n.\
So I just go consult Professor Dalves';


input.split('\n').forEach(function(line) {
    console.log(
      line,
      line
        .toLowerCase()
        .replace(/[^a-z]/g, '') 
        .split('')
        .reduce(function(p, c) {
          p[c.charCodeAt(0)] = (p[c.charCodeAt(0)] || 0) + 1;
          return p;
        }, []) 
        .filter(function(v) {
          return v;
        })  
        .sort()
        .reverse()
        .reduce(function(p, c, i) {
          return p + (26 - i) * c;
        }, 0)
    );  
});