#include<fstream.h>
ifstream intrare ("fact.in");
ofstream iesire ("fact.out");
int main()
{
    int p,x,count=0;
    intrare>>p;
    for(int i=5;i<=p*5-5;i+=5)
    {
        x=i;
        while(x%5==0)
        {
           x=x/5;
            count++;
       }
       if(count>p)
        {
            iesire<<-1;
           i=p*5+1;
        }
        else if(count==p)
        {
           iesire<<i;
            i=p*5+1;
        }
    }
    return 0;
}