#include <stdio.h>

int main() {
    int N;
    scanf("%d", &N);

    int arr[N];
    for (int i = 0; i < N; i++) {
        scanf("%d", &arr[i]);
    }

    int sub_arrays = 0;
    int sum = 0;
    for (int i = 0; i < N; i++) {
            sum += arr[i];
        if (sum % 2 != 0 || (i == N - 1 && sum % 2 == 0)) {
            sub_arrays++;
            sum = 0;
        }
    }
     printf("%d\n", sub_arrays);

    return 0;
}