#include <bits/stdc++.h>

// 1. dp
typedef long double ld;
#define int long long

#define gcd            __gcd
#define endl           "\n"
#define setbits(x)     __builtin_popcountll(x)
#define zrobits(x)     __builtin_ctzll(x)
#define mod            1000000007
#define mod2           998244353
#define maxe           *max_element
#define mine           *min_element
#define inf            1e18
#define pb             push_back
#define all(x)         x.begin(), x.end()
#define f              first
#define s              second
#define lb             lower_bound
#define ub             upper_bound
#define ins            insert
#define sz(x)          (int)(x).size()
#define mk             make_pair
#define deci(x, y)     fixed<<setprecision(y)<<x
#define w(t)           int t; cin>>t; while(t--)
#define nitin          ios_base::sync_with_stdio(false); cin.tie(nullptr)
#define PI             3.141592653589793238
using namespace std;

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

int32_t main() {
    nitin;

    solve();
}

#include <iostream>

using namespace std;

int main()
{
    int n;

    cin >> n;

    string ans = (n % 2 == 0) ? "White" : "Black";
    cout << ans;

    return 0;
}