A - Cookies

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define ld long double
#define sz size()
#define lala for(ll i=0;i<n;i++)
#define ed endl
#define ct cout

using namespace std;


int main()
{

    ll c,d,e,n,f,x,y,z,cnt=0,res=0,mx=1;
    ll sum=0;
    bool ash=false;
    string s;
    cin>>n;
    ll a[n];
    lala
    {
        cin>>a[i];
        if(a[i]%2==0)
        {
            cnt++;
        }
        else
        {
            res++;

        }

        sum=sum+a[i];
    }

    if(sum%2==0)
    {
        ct<<cnt<<ed;
    }
    else
    {
        ct<<res<<ed;
    }
































    return 0;
}