J

#include <iostream>
#include <vector>
using namespace std;

int main()
{
    string s; cin >> s;
    int n = s.size();
    vector <int> x(n + 1), y(n + 1), z(n + 1);
    for (int i = 1; i <= n; i++)
    {
        if (s[i - 1] == 'x')x[i]++;
        else if (s[i - 1] == 'y')y[i]++;
        else if (s[i - 1] == 'z')z[i]++;
        x[i] += x[i - 1];
        y[i] += y[i - 1];
        z[i] += z[i - 1];
    }
    int l, r, t, x2, y2, z2; cin >> t;
    while (t--)
    {
        cin >> l >> r;
        x2 = x[r] - x[l - 1];
        y2 = y[r] - y[l - 1];
        z2 = z[r] - z[l - 1];
        n = max(abs(x2 - y2), max(abs(x2 - z2), abs(y2 - z2)));
        if (n > 1 && r - l >= 2)cout << "NO\n";
        else cout << "YES\n";
    }
    return 0;
}