#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  if (n % 2 == 0) {
    cout << "white" << endl;
    cout << 1 << " " << 2 << endl;
  } else {
    cout << "black" << endl;
  }
  return 0;
}
