def countchars(s):
    chars = list(map(chr,range(ord('a'),ord('z')+1)))
    counts = {}
    for c in s.lower():
        if c not in chars:
            continue
        if c not in counts:
            counts[c] = 1
        else:
            counts[c] += 1

    keys = [ (c,counts[c]) for c in counts ]
    keys.sort(key=lambda c: -c[1])
    return keys

def maximumbeauty(s):
    clist = countchars(s)
    maxbeauty = 0
    beauty = 26
    for c, count in clist:
        maxbeauty += count * beauty
        beauty -= 1
    return maxbeauty

for s in ["ABbCcc","Good luck in the Facebook Hacker Cup this year!","Ignore punctuation, please :)", "Sometimes test cases are hard to make up.","So I just go consult Professor Dalves"]:
    print("%s: %d" % (s, maximumbeauty(s)))