pv

#include <iostream>
using namespace std;

int main()
{
    int n;
    cin>>n;
    int a[n+1];
    for(int i=1;i<=n;++i)
        cin>>a[i];
    int svp=0,svpp=0,nnd10=0,snd3pi=0;
    for(int i=n;i;--i)
    {
        if(a[i]%2==0)
            svp+=a[i];
        if(i%2==0)
            svpp+=a[i];
        if(a[i]%10==0)
            ++nnd10;
        if(a[i]%3==0&&i%2)
            snd3pi+=a[i];
        cout<<a[i]<<' ';
    }
    cout<<'\n'<<svp<<'\n'<<svpp<<'\n'<<nnd10<<'\n'<<snd3pi<<'\n';

    return 0;
}