D. Vasya and Chess

 1 #include <iostream>
 2 #include <stdio.h>
 3 #include <algorithm>
 4 #include <cstring>
 5 #include <string.h>
 6 #include <math.h>
 7 #include <queue>
 8 #include <stack>
 9 #include <stdlib.h>
10 #include <map>
11 using namespace std;
12 #define LL long long 
13 #define sf(a) scanf("%d",&(a));
14 
15 #define N 100010
16 
17 int main(){
18     int n;
19     scanf("%d",&n);
20     if(n%2==0) printf("white\n1 2\n");
21     else printf("black\n");
22 
23 
24     return 0;
25 }