#include <iostream>
#include <sstream>
#include <cstring>

using namespace std;

char b[10000][10000];

int main(int argc, char *argv[])
{
	int H, W, N;
	cin >> H >> W >> N;
	for (int i = 0; i < H; ++i) {
		for (int j = 0; j < W; ++j) {
			b[i][j] = (i + j) % 2;
		}
	}
	for (int i = 0; i < N; ++i) {
		string S;
		int K;
		cin >> S >> K;
		if (S[0] == 'C') {
			char c = b[H - 1][K];
			for (int j = 1; j < H; ++j) {
				b[j][K] = b[j - 1][K];
			}
			b[0][K] = c;
		} else {
			char c = b[K][W - 1];
			memmove(&(b[K][1]), &(b[K][0]), W - 1);
			b[K][0] = c;
		}
	}
	cout << (b[0][0] ? "black" : "white") << endl;
	return 0;
}