#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    string s;
    cin>>s;
    int q;
    cin>>q;
    while(q--)
    {
        int l;
        int r;
        cin>>l>>r;
        if((r-l)==1)
        {
            cout<<1<<endl;
        }
        else if((r-l)==2)
        {
           cout<<1<<endl;
        }
        else 
        {
           cout<<2<<endl;
        }
    }
    return 0;
}