#include <bits/stdc++.h>

using i64 = long long;

int main() {
    int N; std::cin >> N;
    int now = 2, d = 1;
    for (int i = 0; i < N; ++i) {
        if (i % 2 == 0) std::cout << 1;
        else {
            if (now == 0) {
                ++d;
                now = 1 << d;
            }
            --now;
            std::cout << d + 1;
        }
    }
    std::cout << std::endl;
}