#include <bits/stdc++.h>
using namespace std;
char s[5010];
bool flag[5010][5010];
int dp[5010][5010];
void init() {
  memset(flag, 0, sizeof(flag));
  memset(dp, 0, sizeof(dp));
  s[0] = '#';
  int n = strlen(s);
  for (int i = 1; i <= n; i++) flag[i][i] = 1;
  for (int len = 2; len <= n; len++) {
    for (int i = 1; i + len - 1 <= n; i++) {
      int j = i + len - 1;
      if (s[i] != s[j]) continue;
      if (len == 2 || flag[i + 1][j - 1]) flag[i][j] = 1;
    }
  }
  for (int len = 1; len <= n; len++)
    for (int i = 1; i + len - 1 <= n; i++)
      dp[i][i + len - 1] = dp[i + 1][i + len - 1] + dp[i][i + len - 2] -
                           dp[i + 1][i + len - 2] + flag[i][i + len - 1];
}
int main() {
  int n;
  while (~scanf("%s%d", s + 1, &n)) {
    init();
    int x, y;
    while (n--) {
      scanf("%d%d", &x, &y);
      printf("%d\n", dp[x][y]);
    }
  }
  return 0;
}
