#include <bits/stdc++.h>
using namespace std;
const int N = 5e3 + 1;
int dp[N][N];
bool palid[N][N];
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  string s;
  cin >> s;
  int n = s.size();
  for (int d = 0; d < n; d++)
    for (int i = 0; i < n; i++) {
      int j = i + d;
      if (j >= n) continue;
      palid[i][j] = (s[i] == s[j]);
      if (i + 1 <= j - 1) palid[i][j] &= palid[i + 1][j - 1];
    }
  for (int d = 0; d < n; d++)
    for (int i = 0; i < n; i++) {
      int j = i + d;
      if (j >= n) continue;
      dp[i][j] = palid[i][j];
      if (i + 1 <= j) dp[i][j] += dp[i + 1][j];
      if (i <= j - 1) dp[i][j] += dp[i][j - 1];
      if (i + 1 <= j - 1) dp[i][j] -= dp[i + 1][j - 1];
    }
  int q;
  cin >> q;
  for (int i = 0; i < q; i++) {
    int l, r;
    cin >> l >> r;
    l--;
    r--;
    cout << dp[l][r] << "\n";
  }
  return 0;
}
