#include<bits/stdc++.h>
using namespace std;

int i, n; int a[1000];

void    viet(){
    for (int i = 1; i <= n; i++){
        cout << a[i];
    }
    cout << endl;
}

void    doing(int i){
    for (int j = 0; j <= 1; j++){
        a[i] = j;
        if (i == n){
            viet();
        } else doing(i + 1);
    }
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen("binas.inp", "r", stdin);
    //freopen("binas.out", "w", stdout);
    cin >> n;
    doing(1);
    
    return 0;
}