import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    static int answerQuery(int l, int r,String s) {
        // Return the answer for this query modulo 1000000007.
        int []b=new int[26];
        for(int i=l-1;i<r;i++)
        {
            b[s.charAt(i)-'a']++;
        }
        int max=Integer.MIN_VALUE;
        for(int i=0;i<b.length;i++)
            if(max<b[i])
                max=b[i];
        return max;
        
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String s = in.next();
        //initialize(s);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            int l = in.nextInt();
            int r = in.nextInt();
            int result = answerQuery(l, r,s);
            System.out.println(result);
        }
        in.close();
    }
}