#define _USE_MATH_DEFINES
#include <iostream>
#include <string>
#include <queue>
#include <stack>
#include <vector>
#include <algorithm>
#include <math.h>
#include <map>
#include <list>
#include <set>
#include <iomanip>
#include <queue>
#include <cmath>
#include <numeric>
#define repl(i, l, r) for (int i = l; i < r; i++)
#define rep(i, n) repl(i, 0, n)

using namespace std;
using ll = long long;
typedef pair<int, int> P;
template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; }
const long long mod = 1e9 + 7;
int dx[] = { 1, 0 , -1,  0 }, dy[] = { 0, 1, 0, -1 };
ll cb(ll a, ll b);

int main() {
    int n;
    cin >> n;
    if (n % 2 == 0) cout << "White" << endl;
    else cout << "Black" << endl;
    return 0;
}


ll cb(ll a, ll b) {
    ll ans = 1;
    rep(i, b) ans *= (a - i);
    rep(i, b) ans /= (b - i);

    return ans;
}

#include <bits/stdc++.h>

using namespace std;

int main() {
    int x;
    cin>>x;
    x%2?printf("Black"):printf("White");
}