function o(e) {
var t = arguments.length
, n = e & 65535
, r = e >> 16;
for (var i = 1; i < t; i++) {
var s = arguments[i];
n += s & 65535,
r += (s >> 16) + (n >> 16),
n &= 65535
}
return r << 16 | n & 65535
}
