import sys def hash(l): c = 0 for w in l: c += ord(w) c *= 17 c = c % 256 return c L = sys.stdin.read().split(',') print(sum(hash(l) for l in L)) B = [ dict() for _ in range(256) ] for l in L: e = l.find('=') d = l.find('-') i = max(e,d) lbl = l[:i] box = hash(lbl) if e > 0: # set v = int(l[i+1:]) B[box][lbl] = v elif d > 0: # remove if lbl in B[box]: del B[box][lbl] print(sum((i+1)*(j+1)*v for i, b in enumerate(B) for j,(k,v) in enumerate(b.items())))