#include <bits/stdc++.h>   using namespace std;   int main() {     int count = 0, sum = 0;     int n;     cin >> n;     int arr[101];     for (int i = 0; i < n; i++) {       cin >> arr[i];     }     for (int i = 0; i < n; i++) {       sum += arr[i];     }     for (int i = 0; i < n; i++) {       if ((sum - arr[i]) % 2 == 0) count++;     }     cout << count;     return 0;   }   