11059 - Maximum Product

#include<bits/stdc++.h>
using namespace    std;

typedef long long int       ll;
typedef double              dl;
typedef unsigned long long  ul;

int main()
{
  // #ifndef ONLINE_JUDGE
  //     clock_t tStart = clock();
  //     freopen("input.txt","r",stdin);
  //     freopen("out.txt","w",stdout);
  // #endif
     int t, cnt=0;

     while(cin>>t)
     {
        cnt++;
        int  zero_na=0;
        ll ans=1;
        for(int i=1; i<=t; i++)
        {
          int x;
          cin>>x;
          if(x>0){ans=ans*x; zero_na=1;}
        }
        if(zero_na == 0) ans=0;
        cout<<"Case #"<<cnt<<": The maximum product is "<<ans<<"."<<endl;
        cout<<endl;
     }
    return 0;
}