Codeforces - 129A

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int bags , cookies[102] , sum = 0 , count = 0;
    cin >> bags;
    for (int i = 1 ; i <= bags ; i++){
       cin >> cookies[i];
       sum += cookies[i];
    }
    for (int i = 1 ; i <= bags ; i++){
        if (bags == 1){
            count = 1;
            break;
        }
        else if ((sum - cookies[i]) % 2 == 0){
           // cout << "Inside else if" << endl;
            count++;
        }
    }
    cout << count;
    return 0;
}