#include <bits/stdc++.h>
#define int long long
#define endl '\n'
#define pii pair<int,int>
#define vint vector<int>
#define vpii vector<pii>
#define pb push_back
#define se second
#define fi first
#define all(x) x.begin(), x.end()
#define graph vector<vint>
using namespace std;
const int N = (int)1e5 + 69;
const int mod = (int)1e4 + 7;
const int naser = 3999, tourist = 3662;
int INF = INT_MAX;
int power(int a, int b) { int ans = 1; while (b) { if (b % 2) ans *= a; a *= a; b /= 2; } return ans; }
int gcd(int a, int b) { if (b == 0)return a;return gcd(b, a % b); }

int x = 6;
int digsum(int xx) {
    int ans = 0;
    while (xx) {
        ans += xx % 10;
        xx /= 10;
    }
    return ans;
}
int query(int a) {
    cout << "query " << a << endl;
    cout.flush();
    int ans = 0;
    //ans = digsum(x + a);
    cin >> ans;
    return ans;
}

int32_t main() {

    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    string ans;
    int sum = query(0);
    for (int i = 0; i < 18; i++) {
        int dig = power(10, i),num = -1;
        int l = 0, r = 9;
        while (l <= r) {
            int mid = (l + r) / 2;
            int tmp = query(mid * dig);
            if (sum + mid == tmp)
                l = mid + 1, num = mid;
            else
                r = mid - 1;
        }
        ans.push_back('0' + 9 - num);
    }
    reverse(all(ans));
    cout << "answer ";
    bool x = 0;
    for (char c : ans) {
        if (c > '0')
            x = 1;
        if (x)
            cout << c;
    }
    cout << endl;
    cout.flush();
}