#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  string s;
  cin >> s;
  long long n = s.length();
  s = "1" + s;
  long long x[n + 1], y[n + 1], z[n + 1];
  x[0] = 0;
  y[0] = 0;
  z[0] = 0;
  for (long long i = 1; i <= n; i++) {
    x[i] = x[i - 1];
    y[i] = y[i - 1];
    z[i] = z[i - 1];
    if (s[i] == 'x') x[i]++;
    if (s[i] == 'y') y[i]++;
    if (s[i] == 'z') z[i]++;
  }
  long long m;
  cin >> m;
  for (long long i = 0; i < m; i++) {
    long long l, r;
    cin >> l >> r;
    long long len = r - l + 1;
    long long cx = x[r] - x[l - 1];
    long long cy = y[r] - y[l - 1];
    long long cz = z[r] - z[l - 1];
    if (len < 3) {
      cout << "YES" << '\n';
      continue;
    }
    if (abs(cx - cy) > 1 || abs(cx - cz) > 1 || abs(cz - cy) > 1)
      cout << "NO" << '\n';
    else
      cout << "YES" << '\n';
  }
}
