#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <algorithm>
#include <vector>
#include <cmath>
#include <vector>
#include <ctime>
#include <cstdlib>
#include <string>

using namespace std;

int main() {

    int n,ans=0;
    cin >> n;
    string s,s1;
    srand(time(NULL));
    vector<int>fir;
    vector<int>sec;
    while (1) {
        for (int i = 0; i < n; i++) {
            s.push_back(rand() % 2 + '0');
        }
        for (int i = 0; i < n; i++) {
            printf("%c", s[i]);
        }
        printf("\n");
        fflush(stdout);
        cin >> ans;
        if (ans == n) {
            return 0;
        }
        if (ans == n / 2) break;
        s.clear();
    }
    int i = 1;
    s1.push_back(s[0]);
    if (s[0] == '0')  s[0] += 1;
    else  s[0] -= 1;
    while (i<n) {

        if (s[i] == '0')  s[i] += 1;
        else  s[i] -= 1;
        for (int i = 0; i < n; i++) {
            printf("%c", s[i]);
        }
        printf("\n");
        fflush(stdout);
        cin >> ans;
        if (ans == n) {
            return 0;
        }
        if (ans == 0) {
            if (s[i] == '0')  s[i] += 1;
            else  s[i] -= 1;
            s1.push_back(s[i]);
        }
        if (ans == n / 2) {
            s1.push_back(s[i]);
            if (s[i] == '0')  s[i] += 1;
            else  s[i] -= 1;
        }
        i++;
    }
    for (int i = 0; i < n; i++) {
        printf("%c", s1[i]);
    }
    printf("\n");
    fflush(stdout);
    cin >> ans;
    if (ans == n) return 0;
    else {
        for (int i = 0; i < n; i++) {
            if (s1[i] == '0')  s1[i] += 1;
            else  s1[i] -= 1;
            printf("%c", s1[i]);
        }
    }
    printf("\n");
    fflush(stdout);
    cin >> ans;
    return 0;
}