import scala.io.Source.{fromFile, stdin}
 
object Main {
  def main(args: Array[String]) {
    val input = if (args.length >= 1) fromFile(args(0)) else stdin
    input.getLines.filterNot(_.isEmpty).map(beauty).foreach(println)
  }
 
  def beauty(s: String) = s // "abcC!"
    .filter(_.isLetter)     // "abcC"
    .toLowerCase            // "abcc"
    .groupBy(identity)      // [a -> a, b -> b, c -> cc]
    .mapValues(_.size)      // [a -> 1, b -> 1, c -> 2]
    .values.toList          // [1, 1, 2]
    .sortWith(_ > _)        // [2, 1, 1]
    .zip(26 to 1 by -1)     // [(2, 26), (1, 25), (1, 24)]
    .map(x => x._1 * x._2)  // [52, 25, 24]
    .sum                    // 101
}
 

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QUJiQ2NjCkdvb2QgbHVjayBpbiB0aGUgRmFjZWJvb2sgSGFja2VyIEN1cCB0aGlzIHllYXIhCklnbm9yZSBwdW5jdHVhdGlvbiwgcGxlYXNlIDopClNvbWV0aW1lcyB0ZXN0IGNhc2VzIGFyZSBoYXJkIHRvIG1ha2UgdXAuClNvIEkganVzdCBnbyBjb25zdWx0IFByb2Zlc3NvciBEYWx2ZXM=

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