#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second

using namespace std;
typedef long long ll;

ll x,y,z,l,r,m;
ll d[20], res[20];

void pitaj(ll x)
{
    cout << "query " << x << "\n";
    cout.flush();
    cin >> y;
}

int main()
{
    d[0]=1;
    for(int i=1; i<20; i++) d[i]=d[i-1]*10;
    pitaj(0);
    z=y;
    for(int i=0; i<3; i++){
        l=0;
        r=10;
        while(r-l>1){
            m=(l+r)/2;
            pitaj(m*d[i]);
            if(y==z+m){
                l=m;
            }
            else{
                r=m;
            }
        }
        res[i]=9-l;
    }
    bool bio=false;
    cout << "answer ";
    cout.flush();
    for(int i=2; i>=0; i--){
        if(res[i]!=0) bio=true;
        if(bio) cout << res[i];
    }
    cout.flush();
}