//Linkwish's code
#include<bits/stdc++.h>
//#define endl '\n'
#define si inline
#define fi first
#define se second
using namespace std;
typedef long long ll;typedef __int128 li;typedef long double ld;
typedef pair<int,int> pii;typedef pair<ll,ll> pll;
typedef const int ci;typedef const ll cl;ci iinf=INT_MAX;cl linf=LLONG_MAX;
template<typename T>si bool gmax(T &x,const T y){if(x<y)return x=y,1;return 0;}
template<typename T>si bool gmin(T &x,const T y){if(y<x)return x=y,1;return 0;}

namespace LinkWish{
	
	ci N=505;

	int n;

	int bl[N];
	vector<int> p[N];
	int d[N];

	bool e[N][N];
	bool onp[N],got[N];

	int tms;
	si void add(int x,int y){
		e[x][y]=e[y][x]=true;
		//cout<<x<<' '<<y<<endl;
	}
	si int ask(vector<int> x){
		//tms++;
		//memset(got,0,sizeof got);
		//memset(onp,0,sizeof onp);
		//for(int i:x)onp[i]=true;
		//for(int i:x){
		//	for(int j=1;j<=n;j++){
		//		if(e[i][j]&&!onp[j])got[j]=true;
		//	}
		//}
		
		vector<int> s(n,0);
		for(int i:x)s[i-1]=1;
		cout<<"? ";
		for(int i:s)cout<<i;
		cout<<endl;
		
		//int res=0;
		//for(int i=1;i<=n;i++)if(got[i])res++;

		//cout<<res<<endl;

		//return res;

		int res;cin>>res;
		return res;
	}

	si int ask(int x,int y){
		vector<int> que=p[x];
		for(int i:p[y])que.push_back(i);
		return ask(que);
	}

	si void merge(int x,int y){for(int i:p[y])p[x].push_back(i),bl[i]=x;}

	void mian(){
		cin>>n;

		//vector<int> seq(n);
		//iota(seq.begin(),seq.end(),1);
		//mt19937 R(time(0));
		//shuffle(seq.begin(),seq.end(),R);
		////for(int i=1;i<n;i++)add(i,i+1);
		//for(int i=0;i<n-1;i++)add(seq[i],seq[i+1]);

		priority_queue<pii> q;
		for(int i=1;i<=n;i++){
			d[i]=ask(vector<int>{i}),bl[i]=i,p[i].push_back(i);
			q.emplace(d[i],i);
		}

		static bool vis[N];
		for(;!q.empty();q.pop()){
			int id=q.top().se,nv=q.top().fi;
			q.pop();
			if(nv!=d[id]||bl[id]!=id)continue;
			memset(vis,0,sizeof vis);
			for(int i=1;i<=n;i++){
				if(!vis[bl[i]]&&bl[i]!=id){
					int x=bl[i];
					vis[x]=true;
					//cout<<"ASKCON "<<id<<' '<<x<<endl;
					int v=ask(id,x);
					if(v!=d[id]+d[x])merge(id,x),d[id]=v;
				}
			}
			if(d[id]==0){
				if((int)p[id].size()!=n)cout<<"! 0"<<endl;
				else cout<<"! 1"<<endl;
				return ;
			}
			memset(vis,0,sizeof vis);
			for(int i=n;i;i--){
				if(!vis[bl[i]]&&bl[i]!=id){
					int x=bl[i];
					vis[x]=true;
					//cout<<"ASKCON "<<id<<' '<<x<<endl;
					int v=ask(id,x);
					if(v!=d[id]+d[x])merge(id,x),d[id]=v;
				}				
			}
			//cout<<"DONE "<<id<<endl;
			//for(int i:p[id])cout<<i<<' ';
			//cout<<endl;
			//cout<<endl;
			if(d[id]==0){
				if((int)p[id].size()!=n)cout<<"! 0"<<endl;
				else cout<<"! 1"<<endl;
				return ;
			}
			q.emplace(d[id],id);
		}
		cout<<"! 0"<<endl;
	}
}

signed main(){
	//#ifndef ONLINE_JUDGE
	//assert(freopen("in.in","r",stdin));
	//assert(freopen("out.out","w",stdout));
	//#endif
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	LinkWish::mian();
	//cerr<<"DONEIN "<<LinkWish::tms<<endl;
	return 0;
}