#include <iostream>
#include <iterator>
#include <vector>
#include <algorithm>
using namespace std;

vector<int>ret;

void iton(int n)
{
    while(n)
    {
        ret.push_back(n%6);
        n/=6;
    }
}

int main()
{
    int n;
    scanf("%d",&n);
    iton(n);
    reverse(ret.begin(),ret.end());
    for(auto x:ret) cout<<x;
    cout<<endl;
    return 0;
}