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

public class Solution {

    

    static int answerQuery(String s,int l, int r) {
        // Return the answer for this query modulo 1000000007.
      int[] arr=new int[26];
      for(int i=0;i<s.length();i++)
      {
        int curr=s.charAt(i)-'a';
        arr[curr]++;
      }
      int evenCnt=0;
      Arrays.sort(arr);
      if(s.length()==1)return 1;
      else if(s.length()==2)
      {
         if(arr[25]==2)return 1;
      }
      else if(s.length()==3)
      {
        if(arr[25]==2 && arr[24]==1)return 2;
      }
      else 
      {
           if(arr[25]==2 && arr[24]==1 && arr[23]==1)
      {
        return 2;
      }
      else if((arr[25]==2 && arr[24]==2))
      {
         return 2;
      }
      else if(arr[25]==3 && arr[24]==1)
      {
          return 2;
      }
      else if(arr[25]==4)
        return 1;
      }
      
      return 0;
    }

    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();
          String st=s.substring(l-1,r);
            int result = answerQuery(st,l, r);
            System.out.println(result);
        }
        in.close();
    }
}