#include #define PI 3.14159265359 using namespace std; const int64_t MOD = 1e9 + 7; int main() { int N; cin >> N; vector v(N); for (int i = 0; i < N; i++) { cin >> v.at(i); } vector f(N); for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { if (i == j) { continue; } else { if (f.at(i)||f.at(j)) continue; if (abs(v.at(i) - v.at(j)) % 2 == 1) { f.at(i) = f.at(j) = 1; } } } } cout << N - count(f.begin(), f.end(), 1) << endl; }