#include<bits/stdc++.h> 
using namespace std;
typedef long long ll; 
int main() 
{ 
ios_base::sync_with_stdio(false);cin.tie(NULL); 

#ifndef ONLINE_JUDGE 
freopen("input.txt", "r", stdin);  
freopen("output.txt", "w", stdout); 
#endif 

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


return 0; 
} 


#include <bits/stdc++.h>

#define repd(i, a, b) for (ll i = (a); i < (b); i++)
#define repb(i, n) for (ll i = (n)-1; i >= 0; i--)
#define rep(i, n) repd(i, 0, n)

using namespace std;

using ll = long long;
using ul = unsigned long long;
using ld = long double;
const ul mod = 1000000007;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll n;
    cin >> n;
    if (n % 2 == 0) {
        cout << "White" << endl;
    } else {
        cout << "Black" << endl;
    }
    return 0;
}

