#include <iostream>
#include <algorithm>
#include <vector>
#include <math.h>

using namespace std;

int main()
{
    uint64_t Y;
    cin >> Y;
    uint64_t result = 0;

    vector<uint64_t> factorials;
    factorials.push_back(1);
    for (int i = 1; i < 10; i++)
    {
        factorials.push_back(i * factorials[i - 1]);
    }
    
    int decimal_idx = 0;
    for (int i = 9; i > 0; i--)
    {
        while (Y >= factorials[i])
        {
            Y -= factorials[i];
            result += i * pow(10, decimal_idx++);
        }
    }
    
    cout << result << "\n";

    return 0;
}