#include <bits/stdc++.h>

using namespace std;

/*void initialize(string s) {
    int a = s.size();
    cout << a << endl;
}

int answerQuery(int l, int r) {
    // Return the answer for this query modulo 1000000007.
}*/

int main() {
    string s;
    cin >> s;
    //initialize(s);
    int a = s.size();
    //cout << a << endl;
    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;
        if(r-l==1)
            cout << 1 << endl;
        else{
            int b = floor((l+r)/2);
            cout << b << endl;
        }
    }
    return 0;
}