import java.util.*;

public class callforproblems_suhas {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int ans = 0;
        for (int i = 0; i < n; i++){
            ans += sc.nextInt()%2 == 1 ? 1 : 0;
        }
        System.out.println(ans);
    }

}