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

public class Solution {

    private static int matrix[][];
    
    static void initialize(String s) {
        matrix = new int[s.length()][26];
        for(int i=0; i<s.length(); i++){
            for(int j=0; j<26 && i>0; j++){
                matrix[i][j] = matrix[i-1][j];
                if(j == (s.charAt(i)-'a')){
                    matrix[i][j]++;
                }
            }
        }
    }

    static int answerQuery(int l, int r) {
        if(l>r) return 0;
        if(l==r) return 1;

        long max = 0;
        boolean isodd = ((l-r)%2==0);
        for(int i=0; i<26; i++){
            long difference = matrix[r][i] - (l==0 ? 0 : matrix[r-1][i]);
            if((isodd && difference%2==1) || difference%2==0){
                if(difference > max) max = difference;
            }
        }

        if(isodd && max % 2 == 0){
            //odd, can add a letter
            max++;   
        }
        return (int)(max % 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();
    }
}