/* -*- coding: utf-8 -*-
 *
 * 464.cc: No.464 PPAP - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_N = 5000;

/* typedef */

typedef long long ll;
typedef vector<int> vi;

/* global variables */

bool pls[MAX_N][MAX_N + 1];
vi nbrs[MAX_N];
int ssums[MAX_N + 1], gsums[MAX_N + 1];

/* subroutines */

/* main */

int main() {
  string s;
  cin >> s;
  int n = s.size();

  for (int i = 0; i < n; i++) {
    pls[i][i] = pls[i][i + 1] = true;
    nbrs[i].push_back(i + 1);
  }
  
  for (int l = 2; l <= n; l++)
    for (int i = 0, j = l; j <= n; i++, j++)
      if (s[i] == s[j - 1] && pls[i + 1][j - 1]) {
	pls[i][j] = true, nbrs[i].push_back(j);
	//printf("%d,%d\n", i, j);
      }

  for (int i = n - 1; i >= 0; i--)
    gsums[i] = gsums[i + 1] + (pls[i][n] ? 1 : 0);
  //printf("gsums[0]=%d\n", gsums[0]);

  vi &nbr0 = nbrs[0];
  for (vi::iterator vit0 = nbr0.begin(); vit0 != nbr0.end(); vit0++)
    if (*vit0 < n) {
      vi &nbr1 = nbrs[*vit0];
      for (vi::iterator vit1 = nbr1.begin(); vit1 != nbr1.end(); vit1++)
	ssums[*vit1]++;
    }

  ll sum = 0;
  for (int i = 0; i < n; i++) sum += ssums[i] * gsums[i + 1];

  printf("%lld\n", sum);
  return 0;
}