#include <bits/stdc++.h>
using namespace std;
template <typename A, typename B>
string to_string(pair<A, B> p);
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);
string to_string(const string& s) { return '"' + s + '"'; }
string to_string(const char* s) { return to_string((string)s); }
string to_string(bool b) { return (b ? "true" : "false"); }
string to_string(vector<bool> v) {
  bool first = true;
  string res = "{";
  for (int i = 0; i < static_cast<int>(v.size()); i++) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}
template <size_t N>
string to_string(bitset<N> v) {
  string res = "";
  for (size_t i = 0; i < N; i++) {
    res += static_cast<char>('0' + v[i]);
  }
  return res;
}
template <typename A>
string to_string(A v) {
  bool first = true;
  string res = "{";
  for (const auto& x : v) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(x);
  }
  res += "}";
  return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " +
         to_string(get<2>(p)) + ")";
}
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " +
         to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H);
  debug_out(T...);
}
const long long INF = 1e9 + 7;
const long long N = 2e5 + 5;
const long double EPS = 1e-12;
const long long MOD = 1e9 + 7;
void solve() {
  long long n;
  cin >> n;
  cout << "? ";
  for (long long i = 0; i < n; i++) {
    cout << "0";
  }
  cout << endl;
  long long s;
  cin >> s;
  cout << "? 1";
  for (long long i = 1; i < n; i++) {
    cout << "0";
  }
  cout << endl;
  long long q;
  cin >> q;
  if (q == s - 1) {
    long long l = 1, r = n;
    while (l < r) {
      long long m = l + r >> 1;
      string to;
      for (long long i = 0; i < m + 1; i++) {
        to += "1";
      }
      for (long long i = m + 1; i < n; i++) {
        to += "0";
      }
      cout << "? " << to << endl;
      long long first;
      cin >> first;
      long long len = m + 1;
      42;
      if (s - first != len) {
        r = m;
      } else {
        l = m + 1;
      }
    }
    cout << "! " << l + 1 << ' ' << 1 << endl;
  } else {
    long long l = 1, r = n;
    while (l < r) {
      long long m = l + r >> 1;
      42;
      string to;
      for (long long i = 0; i < m + 1; i++) {
        to += "1";
      }
      for (long long i = m + 1; i < n; i++) {
        to += "0";
      }
      cout << "? " << to << endl;
      long long first;
      cin >> first;
      long long len = m + 1;
      42;
      if (s - first != -len) {
        r = m;
      } else {
        l = m + 1;
      }
    }
    cout << "! " << 1 << ' ' << l + 1 << endl;
  }
}
signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  long long tests = 1;
  while (tests-- > 0) {
    solve();
  }
  return 0;
}
