#include <bits/stdc++.h>
using namespace std;
#define ll int
#define fori(i,j,k) for(ll i=j; i<=k;i++)
#define study ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define pb push_back
#define all(s) s.begin(),s.end()
const ll sz=2e5+10;
ll INF=1;
ll mod=1e9+7;
ll limit=1;
void work(){
ll n,q;
cin>>n>>q;
vector<ll>v(n+10,-1);
fori(i,1,n){
if(v[i]!=-1)
continue;
for(ll j=i+1;j<=n;j+=2){
cout<<"? "<<i<<" "<<j<<endl;
cout.flush();
ll x;
cin>>x;
if(x==1){
v[i]=0;
v[j]=1;
break;
}
}
}
cout<<"! ";
fori(i,1,n){
if(v[i]==0)
cout<<"(";
else
cout<<")";
}
cout.flush();
}
int main()
{
// #ifndef LOCAL
// freopen("snowcow.in","r",stdin);
// freopen("snowcow.out","w",stdout);
// #endif
study;
ll t=1;
//cin>>t;
fori(i,1,t){
work();
}
}
