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

int main()
{
    string q="query";
    ll a,cur=1,sum,ans=0;
    cout << q << " " << 0 << "\n";
    cin >> sum;
    for (ll i=1;i<19;i++)
    {
        ll l=1,r=9,mid,p=10;
        while (l<=r)
        {
            mid=(l+r)/2;
            cout << q << " " << mid*cur << "\n";
            cin >> a;
            if (a-sum==mid)
            {
                p=mid;
                l=mid+1;
            }
            else
                r=mid-1;
        }
        ans=(10-p-1)*cur;
        cur*=10;
    }
    cout << ans << "\n";
    return 0;
}