#include <iostream>
#include <fstream>

#define BLACK (-1)
#define NONE  (0)
#define WHITE (1)

using namespace std;

bool is_winning_move(int x, int y, int z, int c[9][9][9], int m)
{
	int move = c[x][y][z];

	for(int dz = -1; dz <= +1; dz++) {
		for(int dy = -1; dy <= +1; dy++) {
			for(int dx = -1; dx <= +1; dx++) {
				if(dx == 0 && dy == 0 && dz == 0) continue;

				int xx = x;
				int yy = y;
				int zz = z;

				while(c[xx-dx][yy-dy][zz-dz] == move) {
					xx -= dx;
					yy -= dy;
					zz -= dz;
				}

				int l = 0;

				while(c[xx][yy][zz] == move) {
					++l;
					xx += dx;
					yy += dy;
					zz += dz;
				}

				if(l >= m) return true;
			}
		}
	}

	return false;
}

int main(void)
{
	ifstream cin("B.txt");

	int n, m, p;
	int c[9][9][9];

	while(cin >> n >> m >> p) {
		if(n == 0 && m == 0 && p == 0) break;

		for(int x = 0; x < 9; x++) {
			for(int y = 0; y < 9; y++) {
				for(int z = 0; z < 9; z++) {
					c[x][y][z] = NONE;
				}
			}
		}

		int winner = NONE;
		int where;

		int move = BLACK;

		for(int i = 1; i <= p; i++) {
			int x, y, z;
			cin >> x >> y;
			for(z = 1; c[x][y][z] != NONE; z++) ;
			c[x][y][z] = move;

			if(winner == NONE) {
				if(is_winning_move(x, y, z, c, m)) {
					winner = move;
					where = i;
				}
			}

			move = -move;
		}

		switch(winner) {
		case BLACK:
			cout << "Black " << where << endl;
			break;
		case NONE:
			cout << "Draw" << endl;
			break;
		case WHITE:
			cout << "White " << where << endl;
			break;
		}
	}

	return 0;
}