#include <bits/stdc++.h>
#define ll long long 
using namespace std;
const int N = 5e5 + 100;
char c[N], st[N];int tp;
ll s[N];
bool chk(int l, int r){
    tp = 0;
    for(int i = l;i <= r;i++){
        st[++tp] = c[i];
        while(tp >= 2 && st[tp] == st[tp - 1]){
            tp -= 2;
            if(st[tp + 1] != 'z') st[++tp]++;
        }
    }
    return (tp == 0);
}
int main(){
    scanf("%s",c + 1);
    int n = strlen(c + 1);
    for(int i = 1;i <= n;i++) s[i] = (1 << (c[i] - 'a'));
    ll dn = (1 << 26);
    int q;scanf("%d",&q);
    while(q--){
        int l, r;scanf("%d%d",&l,&r);
        if((s[r] - s[l]) % dn == 0){
            puts("No");
            continue;
        }
        else if(chk(l, r)) puts("Yes");
        else puts("No");
    }
    return 0;
}