#include <iostream>
#include <fstream>
  
using namespace std;
ifstream fin("fact.in");
ofstream fout("fact.out");
 
int n,k=1,k2,nr2,l,k3,nr=5;
long i=0,x;
int main()
{
    fin>>n;
    if (n==0) fout<<"1";
        else{
    while (k2<n){
    k=0;nr=1;
    while (k*5+1<=n-k2){
    k=k*5+1;
    nr*=5;
    }
    if (k3==k) l++;
        else l=0;
    k3=k;
    if (l==4) k2++;
    nr2=nr2+nr;
    k2+=k;
    }
    if (k2==n) fout<<nr2;
        else fout<<"-1";};
    fin.close();
    fout.close();
    return 0;
}