#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <string>

using namespace std;

short arr[1000];

void FillArr(short arr[1000])
{
    ifstream file;
    file.open("number.txt");

    for(int i=0; i<1000; i++)
        file >> arr[i];

    file.close();
}

void PrintArr(short arr[1000])
{
    for(int i=0; i<1000; i++)
        cout << arr[i];
}

unsigned long long int Find(short arr[1000])
{
    unsigned long long int tmp,maxim = 0;
    unsigned long long int tmp1,tmp2 = 0;
    for(int i=1; i<988; i++)
    {
        tmp1=arr[i]*arr[i+1]*arr[i+2]*arr[i+3]*arr[i+4]*arr[i+5]*arr[i+6]*arr[i+7];
        tmp2=arr[i+8]*arr[i+9]*arr[i+10]*arr[i+11]*arr[i+12];
        tmp=tmp1*tmp2;

        if(tmp > maxim)
            maxim=tmp;

        cout << endl << "Max: " << maxim << " i: " << i << " " << arr[i] <<  " " << arr[i+1] <<  " " << arr[i+2] <<  " " << arr[i+3] <<  " " << arr[i+4] <<  " " << arr[i+5] <<  " " << arr[i+6] <<  " " << arr[i+7] <<  " " << arr[i+8] <<  " " << arr[i+9] <<  " " << arr[i+10] <<  " " << arr[i+11] <<  " " << arr[i+12] << " " << tmp;
    }

    return maxim;
}

int main()
{
    FillArr(arr);
    PrintArr(arr);
    cout << endl << Find(arr);
    return 0;
}