#include <iostream>
#include <string>
using namespace std;

const int MAX_N = 205;

int n;
bool is_ok[MAX_N];

int query(const string& s){
    cout << "? " << s << endl;
    int x;
    cin >> x;
    return x;
}

int main(){
    cin >> n;
    bool ok = true;
    is_ok[1] = true;
    for (int i = 2;i <= n;i++){
        string current;
        for (int j = 1;j <= n;j++){
            if (is_ok[j]){
                current += '1';
            }
            else{
                current += '0';
            }
        }
        int original_result = query(current);
        int lo = 1;
        int hi = n - i + 1;
        int ans = 0;
        while (lo <= hi){
            int mid = (lo + hi)/2;
            string x = current;
            string added;
            int num = 0;
            for (int j = 1;j <= n;j++){
                added += '0';
            }
            for (int j = 0;j < n and num < mid;j++){
                if (x[j] == '0'){
                    x[j] = '1';
                    added[j] = '1';
                    num++;
                }
            }
            if (original_result + query(added) > query(x)){
                if (lo == hi){
                    ans = lo;
                    break;
                }
                hi = mid;
            }
            else{
                lo = mid + 1;
            }
        }
        if (ans == 0){
            ok = false;
            break;
        }
        else{
            int cnt = 0;
            int index = 1;
            while (index <= n){
                if (!is_ok[index]){
                    cnt++;
                    if (cnt == ans){
                        break;
                    }
                }
                index++;
            }
            is_ok[index] = true;
        }
    }
    cout << "! " << ok << '\n';
    return 0;
}