#include <fstream>
#include <iostream>
using namespace std;
ifstream fin ("fact.in");
ofstream fout("fact.out");
int a,p,i,m,n,x,r,j;
long long st,dr,mid;

long long cautare (long long st, long long dr, long long p){
    int i,m,n,mid;
    while(st<=dr){
        mid=(st+dr)/2;
        m=0;
        for(i=5;i<=mid;i+=5){
            n=i;
            while(n%5==0){
                m++;
                n=n/5;
            }
        }
        if(m==p){
            mid=mid-mid%5;
            return mid;
        }
        else
            if(m>p)
                dr=mid-1;
            else
                st=mid+1;
    }
    return -1;
}

int main () {
    fin>>p;
    if(p==0){
        fout<<1;
        return 0;
    }
    st=1;
    dr=5;
    while(x<p){
        x=x+st;
        st=st*5;
        dr=dr*5;
    }
    st/=5;
    dr/=5;
    if(x==p){
        fout<<dr;
        return 0;
    }
    a=x-1-st;
    r=(p-a)/5;
    st=st+20*r;

    if(p<x-6){
        i=6;
        r=1;
        a=cautare(dr-20,dr,x-i);
        fout<<a<<"\n";
        while(a==-1){
            r++;
            a=cautare(dr-20*r,dr,x-i);
            i+=5;
            fout<<a<<" ";
        }
        fout<<"\n";
        dr=a;
        r=(x-i-p)/5;
        dr=dr-20*r;
    }
    a=cautare (st,dr,p);
    fout<<a;
}