#include <bits/stdc++.h>
#include <fstream>
//#define endl '\n'
#define mod 1000000007
#define INF 900000000
//#define cin fin
//#define cout fout
//#define fi first
//#define se second
using namespace std;
//ofstream fout("intel.out");
//ifstream fin("intel.in");
int main()
{
ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
int n, q; cin >> n >> q; string ans; stack<int> st;
for(int i = 1; i <= n; i++) {
if(st.empty()) {
st.push(i);
ans.push_back('(');
}
else {
cout << '?' << ' ' << st.top() << ' ' << i << endl;
int x; cin >> x;
if(x == 1) {
st.pop();
ans.push_back(')');
}
else {
st.push(i);
ans.push_back('(');
}
}
}
cout << '!' << ' ' << ans << endl;
return 0;
}
