import java.math.BigInteger;
import java.io.*;

public class prob22p2 {

  public static int findLetVal(String s) {
    int i, sum=0;
    for (i = 0; i < s.length(); i++) {
      sum += (s.charAt(i) - 'A' + 1);
    }
    return sum;
  }

  public static void main(String args[]) {
    int i = 1, n;
    BigInteger r = new BigInteger("0");
    BigInteger c;
    String s;
    try {
      FileInputStream fstream = new FileInputStream("prob22data2.txt");
      DataInputStream in = new DataInputStream(fstream);
      while (in.available() != 0) {
        s = in.readLine();
        n = findLetVal(s);
        c = new BigInteger("" + n);
        c = c.multiply(new BigInteger("" + i));
        r = r.add(c);
        i++;
      }
    } catch (Exception e) {
      System.err.println("Error");
    }
    System.out.println(r.toString());
  }
}