Mọi người giúp em với ạ :>> test: input: abxbagredcnmooojhggohoreomodioibba 5 1 5 10 23 25 27 29 31 13 15 output: 1 -1 1 1 1

/******************************
*    @#author : DyIuWhite
*    @#date : oo / oo / oo    *
*******************************/
#include<bits/stdc++.h>
#define foru(i,a,b) for( i=a;i<=b;i++)
#define taskname ""
using namespace std;
string s;
long long t,a,b;
int main()
{
    if (fopen(taskname".inp", "r"))
    {
        freopen(taskname".inp", "r", stdin);
        freopen(taskname".out", "w", stdout);
    }
    cin>>s;
    cin>>t;
    while(t--)
    {
        cin>>a>>b;
        if(s[a-1]==s[b-1])
            cout<<1<<'\n';
        else cout<<-1<<'\n';
    }
    return 0;
}