#include<algorithm>
#include<iostream>
#include<assert.h>
#include<iomanip>
#include<cstring>
#include<numeric>
#include<string>
#include<vector>
#include<bitset>
#include<queue>
#include<stack>
#include<deque>
#include<cmath>
#include<map>
#include<set>
using namespace std;
#define ll long long
#define ld long double
bool ask(int a, int b){
cout << "? " << a << " " << b << "\n"; cout << flush;
bool ret; cin >> ret;
return ret;
}
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int N, Q; cin >> N >> Q;
string s = "";
vector<int> st;
vector<bool> valid(N+1);
for(int i = 1; i <= N; ++i){
if(st.empty()){
st.push_back(i);
s += '(';
continue;
}
bool q = ask(st.back(), i);
if(q){
valid[st.back()] = 1;
valid[i] = 1;
st.pop_back();
s += ')';
}
else{
st.push_back(i);
s += '(';
}
}
assert((int)st.size() % 2 == 0);
for(int i = 0; i < (int)st.size()/2; ++i){
s[st[i]-1] = ')';
}
cout << "! " << s << "\n"; cout << flush;
return 0;
}
