#include using namespace std; typedef long long ll; string n; ll lcm(ll a,ll b){ return a*b/__gcd(a,b); } int main(){ // freopen("gcd.in","r",stdin); // freopen("gcd.out","w",stdout); cin>>n; char c=n[0]; ll sz=n.size(),sum=0; ll f0=1,f2=2,f3=0,f4=4,f5=5,f9=0; for(ll i=1;i