// Example program
#include <iostream>
#include <string>
using namespace std;

int main()
{
    int numberOfDigits;
    cout<<"Izberete duljina na masiva: ";
    cin>>numberOfDigits;

    int array[100];

    int chetniChisla = 0;
    int sbor = 0;
    int broiNulevi = 0;


    for(int i = 0; i < numberOfDigits; i++)
    {
        int k;
        cin>>k;
        while(k>=30)
        {
            cout<<"Chisloto trqbva da e < 30"<<endl;
            cin>>k;
        }
        if(k==0) broiNulevi ++;
        else sbor += k;
        array[i] = k;
    }

    int newArray[100];
    int sumNaPolojitelni = 0;
    int broqch = 0;
    for(int i = 0; i < numberOfDigits; i++)
    {
        if(array[i]!=0)
        {
            newArray[broqch] = array[i];
            sumNaPolojitelni += array[i];
            broqch++;
        }
    }

    cout<<"originalen masiv ";
    for(int i = 0; i < numberOfDigits; i++)
    {
        cout<<array[i]<<" ";
    }
    cout<<endl;
    int max;
    int maxIndex;
    for(int i = 0; i < numberOfDigits; i++)
    {
        if(array[i]%2==0){
            max = array[0];
            if(array[i]>max){
                max = array[i];
                maxIndex = i;
            }
        }
        else{
            max = 0;
        }
        cout<<array[i]<<" ";
    }

    cout<<endl;
    cout<<"Sumata na chislata razlichni ot 0 e: "<<sbor;
    cout<<endl;
    cout<<"broq na nulevite elementi e: "<<broiNulevi<<endl;
    cout<<endl;
    cout<<"Maksimalnoto polojitelno chislo "<<max<<" na index "<<maxIndex<<endl;
}