#include <bits/stdc++.h>

using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;
using u128 = unsigned __int128;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int n;
    std::cin >> n;
    
    int ans = 0;
    for (int i = 0; i < n; i++) {
        int d;
        std::cin >> d;
        ans += d % 2;
    }
    std::cout << ans << "\n";
    
    return 0;
}