#include <bits/stdc++.h>
using namespace std;

#define IOS                  \
    ios::sync_with_stdio(0); \
    cin.tie(0);              \
    cout.tie(0);
#define endl "\n"
#define int long long
#define watch(x) cout << (#x) << " is " << (x) << endl;

int dp[1001][1001];
int palindrome(string s, int l, int r)
{
    if (l == r)
    {
        return dp[l][r] = 2;
    }
    if (r - l == 1)
    {
        if (s[l] == s[r])
            return dp[l][r] = 2;
        else
        {
            return dp[l][r] = 1;
        }
    }
    if (dp[l][r])
        return dp[l][r];
    if ((s[l] == s[r]) && palindrome(s, l + 1, r - 1))
        dp[l][r] = 2;
    else
        dp[l][r] = 1;
    return dp[l][r];
}
int32_t main()
{
    IOS;

    int n, m, ans;
    string s;
    cin >> n >> s >> m;
    for (int i = 0; i < m; i++)
    {
        int left, right;
        cin >> left >> right;
        left--, right--;
        if (!dp[left][right])
        {
            ans = palindrome(s, left, right);
        }
        else
        {
            ans = dp[left][right];
        }
        cout << ((ans == 1) ? "NO" : "YES") << endl;
    }

    return 0;
}