#include <bits/stdc++.h>
using namespace std;
#define int long long
int n, q;
signed main() {
cin >> n >> q;
vector<int> ans(n+1, -1);
int found = 0;
for (int i=1; i<n; ++i) {
cout << "? " << i << " " << i+1 << endl << flush;
int res; cin >> res;
if (res) {
ans[i] = 1;
ans[i+1] = 0;
found += 2;
}
}
// cout << "found " << found << "\n";
int cnt = 1;
for (int i=1; i<=n; ++i) {
if (ans[i] != -1) continue;
if (cnt <= (n - found)/2) {
ans[i] = 1;
// cout << cnt << " " << (n-found)/2 << "\n\n\n";
} else {
ans[i] = 0;
}
cnt++;
}
cout << "! ";
for (int i = 1; i <= n; ++i) {
if (ans[i] == 1) cout << "(";
else if (ans[i] == 0) cout << ")";
else cout << ".";
}
}
