#include <bits/stdc++.h>

using namespace std;

void initialize(string s) {
    // This function is called once before all queries.
}

int answerQuery(int l, int r) {
    ///int ar[127]={0};
    
    if(r-l==2)
      if(s[l-1]!=s[l] && s[l]!=s[l+1]&&s[l-1]!=s[l+1])
       {
           return 3;
       }
     else 
     {
         return 1;
     }
    else if(r-l==3)
    {
        if(s[l-1]!=s[l]&& s[l]!=s[l+1]&& s[l+1]!=s[l+2]&& s[l-1]!=s[l+1]&&s[l-1]!=s[l+2]&&s[l]!=s[l+2]&&s[l+1]!=s[l+2])
            return 4;
        if(s[l-1]==s[l]&& s[l+1]==s[l+2] || s[l-1]==s[l+1]&& s[l]==s[l+2] || s[l-1]==s[l+2]&& s[l+1]==s[l])
            return 2;
        else return 1;
    }
    else if(r-l==1)
    {
        if(s[l-1]==s[l])
            return 1;
        else
            return 2;
    }
        
    else
        return 1;
   
}

int main() {
    string s;
    cin >> s;
    initialize(s);
    int q;
    cin >> q;
    for(int a0 = 0; a0 < q; a0++){
        int l;
        int r;
        cin >> l >> r;
        int result = answerQuery(l, r);
        cout << result << endl;
    }
    return 0;
}