#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(a, b);}
ll lcm(ll a, ll b){return a / gcd(a, b) * b;}
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ull mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
//mt19937_64 rng(1);
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
double rngesus_d(double l, double r){
double wow = (double) ((ull) rng()) / ((ull)(0-1));
return wow * (r - l) + l;
}
template <class T1, class T2>
bool maximize(T1 &a, T2 b){
if (a < b) {a = b; return true;}
return false;
}
template <class T1, class T2>
bool minimize(T1 &a, T2 b){
if (a > b) {a = b; return true;}
return false;
}
template <class T>
void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
for(auto item: container) out << item << separator;
out << finish;
}
template <class T>
void remove_dup(vector<T> &a){
sort(ALL(a));
a.resize(unique(ALL(a)) - a.begin());
}
int ask(int i, int j){
cout << "? " << i << " " << j << endl;
int ans; cin >> ans;
return ans;
}
void solve(){
int n, q; cin >> n >> q;
set<int> S;
for(int i = 1; i <= n; ++i) S.insert(i);
vector<int> ans(n+1, -1);
int cnt[2]; cnt[0] = cnt[1] = n/2;
for(int i = 1; i <= n; ++i){
auto it = S.lower_bound(i);
if (it == S.begin()) continue;
it--;
int j = *it;
int cur = ask(j, i);
if (cur){
S.erase(j); S.erase(i);
ans[j] = 0;
ans[i] = 1;
cnt[0]--;
cnt[1]--;
}
}
for(int i = 1; i <= n; ++i) if (ans[i] == -1){
if (cnt[1] > 0){
ans[i] = 1;
cnt[1]--;
}
else{
ans[i] = 0;
}
}
string output_string;
for(int i = 1; i <= n; ++i){
if (ans[i] == 0) output_string.push_back('(');
else output_string.push_back(')');
}
cout << "! " << output_string << endl;
}
int main(void){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
clock_t start = clock();
solve();
cerr << "Time elapsed: " << clock() - start << "ms!\n";
return 0;
}
