#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

vector<int> letter_counts(const string& s)
{
    vector<int> counts(26);
    
    for (char c : s)
    {
        counts[c - 'a']++;
    }

    return counts;
}

void print_counts(const vector<int>& c)
{
    for (int i = 0; i < 26; i++)
    {
        cout << char(i + 'a') << ": " << c[i] << endl;
    }
}

void get_number_of_palindromes(const vector<int>& c)
{
    int singles = count(begin(c), end(c), 1);
    
    int pairs = count(begin(c), end(c), 2);
    
    if (singles == 0)
    {
        cout << pairs << endl;
    }
    else
    {
        cout << pairs * singles << endl;
    }
}

int main() 
{
    string s;
    cin >> s;
    
    int q;
    cin >> q;
    
    for (int i = 0; i < q; i++)
    {
        int l, r;
        cin >> l >> r;
        
        string s2;
        for (int j = l - 1; j < r; j++)
        {
            s2 += s[j];
        }
        
        // cout << s2 << endl;
        
        vector<int> counts = letter_counts(s2);
        
        // print_counts(counts);
        
        get_number_of_palindromes(counts);
        
        
    }
    
    return 0;
}