#include <bits/stdc++.h>
using namespace std;
long long int v[5005][5005];
int main() {
  long long int i, j, n, q, a, b, c = 0, k = 0;
  ios_base::sync_with_stdio(false);
  string s;
  cin >> s >> q;
  n = s.size();
  for (i = 1; i <= n; i++) v[i][i] = 1;
  for (i = 1; i < n; i++) {
    if (s[i - 1] == s[i]) v[i][i + 1] = 1;
  }
  for (j = 2; j < n; j++) {
    for (i = 1; i <= n; i++) {
      if (i + j > n) break;
      if (v[i + 1][i + j - 1] && s[i - 1] == s[i + j - 1]) v[i][i + j] = 1;
    }
  }
  for (i = 1; i <= n; i++) {
    for (j = 1; j <= n; j++)
      v[i][j] += v[i - 1][j] + v[i][j - 1] - v[i - 1][j - 1];
  }
  while (q--) {
    cin >> a >> b;
    printf("%lld\n", v[b][b] - v[b][a - 1] - v[a - 1][b] + v[a - 1][a - 1]);
  }
}
