Codeforces 493D Vasya and Chess(规律)

题目链接：Codeforces 493D Vasya and Chess

#include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

int main () {
	int n;
	scanf("%d", &n);
	if (n&1)
		printf("black\n");
	else
		printf("white\n1 2\n");
	return 0;
}