abc181_a - Heavy_Rotation

If $n$ days pass, Takahashi will wear black if $n$ is odd and white otherwise.

Time complexity: $O(1)$

Memory complexity: $O(1)$

Click to show code.


using namespace std;
using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
int main(void)
{
    ios::sync_with_stdio(false), cin.tie(NULL);
    int n;
    cin >> n;
    cout << (n % 2 ? "Black" : "White") << endl;
    return 0;
}