#include <cstdio>
#include <cstring>
using namespace std;
char s[500010];
int n, q, l, r, dp[500010][30], nxt[30][500010];
int main() {
    scanf("%s", s + 1);
    n = strlen(s + 1);
    for (int i = 0; i <= 26; i++) {
        dp[n + 1][i] = n + 1;
    }
    nxt[0][n + 1] = n + 1;
    for (int i = n; i >= 1; i--) {
        for (int j = s[i] - 'a'; j <= 26; j++) {
            if (s[i] - 'a' == j) {
                dp[i][j] = i + 1;
            } else {
                dp[i][j] = dp[dp[i][j - 1]][j - 1];
            }
        }
        for (int j = 0; j < s[i] - 'a'; j++) {
            dp[i][j] = dp[dp[i][26]][j];
        }
        nxt[0][i] = dp[i][26];
        // printf("%d : %d\n", i, nxt[0][i]);
    }
    for (int i = 1; i < 20; i++) {
        for (int j = 1; j <= n + 1; j++) {
            nxt[i][j] = nxt[i - 1][nxt[i - 1][j]];
        }
    }
    scanf("%d", &q);
    while (q--) {
        scanf("%d%d", &l, &r);
        int now = l;
        for (int i = 19; i >= 0; i--) {
            if (nxt[i][now] <= r + 1) {
                now = nxt[i][now];
            }
        }
        if (now == r + 1) {
            printf("Yes\n");
        } else {
            printf("No\n");
        }
    }
    return 0;
}