#include<bits/stdc++.h>
using namespace std;
int main ()
{
    int n;
    cin>>n;
    if(n%2==0)
        cout<<"White"<<endl;
    else
        cout<<"Black"<<endl;
}

#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main()
{
  ll t;
  string s;
  cin>>s;
  cout<<s[1]<<s[2]<<s[0];

}

