#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define po pop_front
#define mo(o) memset(o,-1,sizeof(o))
#define forn(i,n) for(int i=0;i<n;i++)
#define fore(i,n) for(int i=1;i<=n;i++)
#define mp make_pair
#define ll long long
#define itn int
int main()
{
	int n;
	cin>>n;
	if(n%2)	cout<<"Black"<<endl;
	else	cout<<"White"<<endl;
	return 0;
}
#include <bits/stdc++.h>
using namespace std;

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