#include <bits/stdc++.h>
using namespace std;
#define il inline
#define ptc putchar
#define pb push_back
#define R(i, l, r) for (int i = l; i <= r; ++i)
#define debug puts("--------------------------------------------")
typedef long long ll;
typedef pair<int, int> PII;
namespace ZT {
    template <typename T>
    il void read(T &x) {
        x = 0; T f = 1; char ch;
        while (!isdigit(ch = getchar())) f -= (ch == '-') << 1;
        while (isdigit(ch)) x = (x << 1) + (x << 3) + (ch & 15), ch = getchar();
        x *= f;
    }
    template <typename T, typename ...L>
    il void read(T &x, L &...y) {read(x); read(y...);}
    template <typename T>
    il void write(T x) {
        if (x < 0) ptc('-'), x = -x;
        if (x > 9) write(x / 10);
        ptc(x % 10 + '0');
    }
    template <typename T, typename ...L>
    il void write(T &x, L &...y) {write(x), ptc(' '); write(y...);}
}
using namespace ZT;
#define int ll
const int N = 2e5 + 5, P = 1e9 + 7;
char s[N];
int n, q, k, B;
int hsh[N], base[N] = {1};
char t[N];
void init() {
    R(i, 1, n) {
        base[i] = base[i - 1] * 10 % P;
        hsh[i] = (hsh[i - 1] * 10 % P + s[i] - 'a') % P;
    }
}
int get(int l, int r) {
    return (hsh[r] - hsh[l - 1] * base[r - l + 1] % P + P) % P;
}
map <int, vector <int> > str;
signed main() {
    scanf("%s", s + 1); n = strlen(s + 1); B = sqrt(n);
    init();
    R(i, 1, n) {
        R(j, 1, B) {
            if (i + j - 1 > n) break;
            int v = get(i, i + j - 1);
            str[v].push_back(i);
        }
    }
    read(q);
    while (q--) {
        scanf("%s", t + 1); read(k); int m = strlen(t + 1);
        int now = 0;
        R(i, 1, m) now = (now * 10 + t[i] - 'a') % P;
        if (m <= B) {
            if (str[now].size() < k) puts("-1");
            else cout << str[now][k - 1] << '\n';
        } else {
            R(i, 1, n - m + 1) {
                int v = get(i, i + m - 1);
                if (v == now) --k;
                if (!k) {
                    cout << i << '\n';
                    break;
                }
            }
            if (k) puts("-1");
        }
    }
    return 0;
}