#include <stdio.h>
#include <string>
#include <cstring>
#include <stdlib.h>
#include <math.h>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <list>
#include <iterator>
#pragma warning(disable:4996)
 
typedef long long ll;
#define MIN(a, b) ((a)>(b)? (b): (a))
#define MAX(a, b) ((a)<(b)? (b): (a))
#define LINF 9223300000000000000
#define INF 2140000000
#define MOD 1000000007
using namespace std;

int main(int argc, char* argv[])
{
    ll n;
    scanf("%lld", &n);
    
    n--;
    vector<ll> vv;
    ll sum=0;
    ll tmp=1;
    long i;
    vv.push_back(0);
    for(i=1; i<100; i++) {
        tmp *=5;
        sum += tmp;
        vv.push_back(sum);
        if(sum>n) {
            break;
        }
    }
    //printf("\n%ld, %lld, %lld, %lld, %lld\n", i, n, vv[i-1], vv[i], n-vv[i-1]);

    ll curr=n-vv[i-1];
    vector<long> ans;
    long k;
    for(k=0; k<i; k++) {
        ans.push_back(curr%5);
        curr /= 5;
    }
    for(k=0; k<i; k++) {
        printf("%ld", ans[i-1-k]*2+1);
    }
    printf("\n");

    return 0;
}