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#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
using namespace std;
string perevod(int a) {
	string h = "";
	int k = a;
	while (k != 1){
		h += to_string(k % 2);
		k /= 2;
	}
	h += "1";
	string l;
	for (int i = h.size()-1; i >=0; i--) {
		l += h[i];
	}
	return l;
}

int main() {
	int a;
	cin >> a;
	cout << perevod(a);
}