#include <iostream>
using namespace std;
int a[100000];
int main() {
    int n;
	cin >> n;
	int cnt = 0;
	do {
	    ++cnt;
	    a[cnt] = (n % 2) * 5;
		n = n / 2;
	} while (n > 1);
	a[++cnt] = n * 5;
	for (int i = cnt; i > 0; i--) {
	    cout << a[i];
	}
    return 0;
}