import java.io.*;import java.math.BigInteger;public class Problem15829 { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int l = Integer.parseInt(br.readLine()); // 문자열 길이 String w = br.readLine(); // 문자열 BigInteger r = new BigInteger("31"); // r 고정 BigInteger sum = BigInte..
