#include <bits/stdc++.h>
using namespace std;
const long long OO = 1e8;
const double EPS = (1e-7);
int dcmp(double x, double y) { return fabs(x - y) <= EPS ? 0 : x < y ? -1 : 1; }
string s;
long long dp[5005][5005];
bool palin[5005][5005];
int n;
long long countP(int i, int j) {
  if (i > j) return 0;
  long long& ret = dp[i][j];
  if (ret != -1) {
    return ret;
  }
  if (i == j) {
    palin[i][j] = 1;
    return ret = 1;
  }
  ret = 0;
  ret += countP(i + 1, j);
  ret += countP(i, j - 1);
  ret -= countP(i + 1, j - 1);
  if (s[i] == s[j] && (palin[i + 1][j - 1] || i + 1 > j - 1)) {
    ret += 1;
    palin[i][j] = 1;
  }
  return ret;
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  cin >> s;
  n = s.length();
  memset(dp, -1, sizeof(dp));
  countP(0, n - 1);
  int q;
  cin >> q;
  int x, y;
  while (q--) {
    cin >> x >> y;
    cout << dp[x - 1][y - 1] << " ";
  }
}
