#include<iostream>
#include<string>
using namespace std;
int main(){
    int N;
    cin>>N;
    if (N < 0) {
        cout<<"invalid input";
        return 0;
    }
    for (int i = 1; 1 <=N; i++) {
        int num = i;
        string binary = "";
        while (num > 0) {
            binary = char((num % 2) + '0') + binary;
            num /=2;
        }
        for (int j =; j < binary.length(); j++) {
            if (binary[j] == '0')
            binary[j] == '3';
            else
            binary[j] = '4';
        }
        cout << binary;
        if (i !=N)
        cout<<" ;"
    }
    return 0;
}