#include <bits/stdc++.h>
using namespace std;
const long long int infinity = 9e18;
bool dp1[5001][5001] = {};
int dp2[5001][5001] = {};
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  string s;
  cin >> s;
  int n = s.size();
  for (int i = 0; i < n; i++) {
    dp1[i][i] = 1;
    dp2[i][i] = 1;
  }
  for (int len = 2; len <= n; len++) {
    for (int i = 0; i < n - len + 1; i++) {
      int j = i + len - 1;
      if (len == 2) {
        if (s[i] == s[j]) {
          dp1[i][j] = 1;
        } else {
          dp1[i][j] = 0;
        }
        dp2[i][j] = 2 + dp1[i][j];
      } else {
        dp1[i][j] = (dp1[i + 1][j - 1] && s[i] == s[j]);
        dp2[i][j] =
            dp2[i + 1][j] + dp2[i][j - 1] - dp2[i + 1][j - 1] + dp1[i][j];
      }
    }
  }
  long long int q;
  cin >> q;
  long long int a, b;
  for (int i = 0; i < q; i++) {
    cin >> a >> b;
    a--, b--;
    cout << dp2[a][b] << "\n";
  }
  return 0;
}
