// C++ program to find the longest palindrome by removing
// or shuffling characters from the given string
#include <bits/stdc++.h>
using namespace std;

// Function to find the longest palindrome by removing
// or shuffling characters from the given string


// Driver code
int main()
{
    string str;
    cin>>str;
    
    int t;
    cin>>t;
    
    while(t--){
    
    int a;cin>>a;
    int b;cin>>b;
    

	if((b-a)!=1)
	cout<<"2"<<endl;
	else
	cout<<"1"<<endl;
   
    }
	return 0;
}