#include <bits/stdc++.h>
using namespace std;
char s[2000 + 100];
long long dp[2000 + 100];
int d[2000 + 100];
int n;
bool is_legal(int l, int r) {
  bool ok = true;
  while (l < r) {
    if (s[l - 1] != s[r - 1]) {
      ok = false;
      break;
    }
    l++;
    r--;
  }
  return ok;
}
int main() {
  while (scanf("%s", s) == 1) {
    n = strlen(s);
    memset(dp, 0, sizeof(dp));
    memset(d, 0, sizeof(d));
    dp[1] = 1;
    d[1] = 1;
    for (int i = 2; i <= n; i++) {
      for (int j = 1; j <= i; j++) {
        if (is_legal(j, i)) {
          for (int k = 1; k <= j - 1; k++) dp[i] += d[k];
          d[i]++;
        }
      }
    }
    long long ans = 0;
    for (int i = 2; i <= n; i++) ans += dp[i];
    printf("%I64d\n", ans);
  }
  return 0;
}
