#include <bits/stdc++.h>
using namespace std;

#define FOR(i, b, e) for(int i = (b); i < (e); i++)
#define PB push_back
#define X first
#define Y second
#define TRAV(x, v) for(auto &x: v)
#define SZ(x) ((int)x.size())

typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;
constexpr int INF = 0x3f3f3f3f;

int fact(int n) {
    int ret = 1;
    FOR(i, 1, n + 1) ret *= i;
    return ret;
}

void solve() {
    int x;
    cin >> x;
    vi vec;
    for(int i = 9; i > 0; i--) {
        int xd = fact(i);
        while(x >= xd) {
            vec.PB(i);
            x -= xd;
        }
    }
    reverse(vec.begin(), vec.end());
    TRAV(xxx, vec) cout << xxx;
    cout << '\n';
}


int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    solve();
    return 0;
}