#include <string>
#include <vector>
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstdint>
#include<stack>
#include<queue>
#include<cmath>
#include<algorithm>
#include<functional>
#include<list>
#include<deque>
#include<bitset>
#include<set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<sstream>
#include<complex>
#include<iomanip>
#include<numeric>
#define X first
#define Y second
#define pb push_back
#define rep(X,Y) for (int (X) = 0;(X) < (Y);++(X))
#define rrep(X,Y) for (int (X) = (Y)-1;(X) >=0;--(X))
#define repe(X,Y) for ((X) = 0;(X) < (Y);++(X))
#define peat(X,Y) for (;(X) < (Y);++(X))
#define all(X) (X).begin(),(X).end()
#define rall(X) (X).rbegin(),(X).rend()
#define eb emplace_back
#define UNIQUE(X) (X).erase(unique(all(X)),(X).end())

using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<class T> using vv=vector<vector<T>>;
template<class T> ostream& operator<<(ostream &os, const vector<T> &t) {
os<<"{"; rep(i,t.size()) {os<<t[i]<<",";} os<<"}"<<endl; return os;}
template<class S, class T> ostream& operator<<(ostream &os, const pair<S,T> &t) { return os<<"("<<t.first<<","<<t.second<<")";}
const ll MOD=1e9+7;

int main(){
  ios_base::sync_with_stdio(false);
  cout<<fixed<<setprecision(0);
  int n;
  cin>>n; --n;
  for(int d=3;;++d){
    vector<__int128> re;
    for(int n5=3;n5<=d;n5+=3){
      vector<int> a(d-1,5);
      fill(a.begin(),a.end()-n5+1,3);
      do{
    if(d==24 && a[0]==a[1] && a[1]== a[2] && a[2]=='5') continue;
    __int128 tmp=0;
    for(int x:a)tmp=tmp*10+x;
    re.pb(tmp);
      }while(next_permutation(all(a)));
    }
    if(re.size()>n){
      sort(all(re));
      //cout<<re[n]<<endl;
      if(re[n]/ll(1e15))cout<<ll(re[n]/ll(1e15))<<ll(re[n]%ll(1e15))<<5<<endl;
      else cout<<ll(re[n])<<5<<endl;
      return 0;
    }
    n-=re.size();
  }
  return 0;
}