#include <bits/stdc++.h>
using namespace std;
#define int long long
int ask(string s) {
int ans;
cout << "? " << s << endl;
cin >> ans;
return ans;
}
void answer(int a, int b) {
cout << "! " << min(a, b) << " " << max(a, b) << endl;
}
void solve() {
int n;
cin >> n;
if (n <= 30) {
int ans1 = -1, ans2 = -1;
for (int i = 0; i < n; i++) {
string s(n, '1');
s[i] = '0';
int x = ask(s);
if(x == 1 and ans1 == -1) ans1 = i;
if(x == 1 and ans1 != -1) ans2 = i;
}
answer(ans1, ans2);
return;
}
int l = 0;
int r = n + 1;
while(l + 1 < r){
int mid=(l + r)/2;
string s(n, '0');
for (int i = 0; i < mid; i++) s[i] = '1';
int x= ask(s);
if(x%2==0) r = mid;
else l = mid;
}
answer(0, r);
return;
}
signed main() {
solve();
return 0;
}
