#include <iostream>
#include <vector>
#include <cstdio>
#include <cstdlib>
using namespace std;

class KHash {
  public:
    KHash();
    int Get_Hash(string s);
    int Get_Hash_DP(int start, int size);
    int Shift(int n);
  protected:
    vector <int> Base;
    vector < vector <int> > cache;
    string S;
};
    
int KHash::Shift(int n)
{
  return (n >> 1) | ((n & 1) << 30);
}

int KHash::Get_Hash(string s)
{
  int i;

  S = s;
  cache.resize(s.size());
  for (i = 0; i < cache.size(); i++) cache[i].resize(s.size()+1, -1);
  return Get_Hash_DP(0, s.size());
}

int KHash::Get_Hash_DP(int start, int size)
{
  if (size == 1) return Base[S[start]];

  if (cache[start][size] != -1) return cache[start][size];

  cache[start][size] =  (Base[S[start]] ^ 
          Shift(Base[S[start+size-1]]) ^ 
          Shift(Get_Hash_DP(start+1, size-1)) ^
          Get_Hash_DP(start, size-1));
//  printf("%3d %3d %x\n", start, size, cache[start][size]);
  return cache[start][size];
}

KHash::KHash()
{
  int i;

  srand48(10);
  for (i = 0; i < 256; i++) Base.push_back(lrand48());
}

int main(int argc, char **argv)
{
  KHash *D;
  string s;
  int i;

  D = new KHash();

  if (argc != 2) {
    cerr << "Usage: khash word\n";
    exit(1);
  }

  s = argv[1];
  printf("%08x %s\n", D->Get_Hash(s), s.c_str());
}