#include <bits/stdc++.h>
using namespace std;
using ll = long long;
map<string, int> memo; // nije ni potreno ali eto
int ask(string s) {
if (memo.count(s))
return memo[s];
cout << "? " << s << endl;
int res;
cin >> res;
return memo[s] = res & 1;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
memo[string(n, '0')] = 0;
memo[string(n, '1')] = 0;
int D = 0;
for (int b = 0; b < 15; ++b) {
string s(n, '0');
for (int i = 0; i < n; ++i) {
if (i >> b & 1)
s[i] = '1';
}
if (ask(s))
D |= (1 << b);
}
int h = 31 - __builtin_clz(D);
int x = 0;
for (int b = 0; b < 15; ++b) {
if (b == h)
continue;
string s(n, '0');
for (int i = 0; i < n; ++i) {
if (!(i >> h & 1) && i >> b & 1)
s[i] = '1';
}
if (ask(s))
x |= (1 << b);
}
cout << "! " << x << " " << (x ^ D) << endl;
return 0;
}
