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

public class Solution {
    static String str;
    static void initialize(String s) {
      str=s;
    }

    static int answerQuery(int l, int r) {
        // Return the answer for this query modulo 1000000007.
        int arr[]=new int[26];
        for(int i=l-1;i<r;i++)
        {
            arr[str.charAt(i)-'a']++;
        }
        int counttwo=0;
        int countone=0;
        
        for(int i:arr)
        {
            counttwo+=i/2;
            if(i%2==1)
                countone++;
        }
        return (counttwo*(countone==0?1:countone))%1000000007;
    }

    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);
            System.out.println(result);
        }
        in.close();
    }
}