import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws Exception { try (Scanner sc = new Scanner(System.in)) { int h = sc.nextInt(); int w = sc.nextInt(); int n = sc.nextInt(); boolean[] rs = new boolean[n]; int[] ks = new int[n]; for (int i = 0; i < n; i++) { rs[i] = sc.next().charAt(0) == 'R'; ks[i] = sc.nextInt(); } int x = 0; int y = 0; for (int i = n - 1; i >= 0; i--) { if (rs[i]) { if (ks[i] == y) { x--; if (x < 0) x = w - 1; } } else { if (ks[i] == x) { y--; if (y < 0) y = h - 1; } } } System.out.println((x + y) % 2 == 0 ? "white" : "black"); } } } class Scanner implements Closeable { private BufferedReader br; private String[] array; private int idx; Scanner(InputStream is) { InputStreamReader isr = new InputStreamReader(is); this.br = new BufferedReader(isr); this.array = new String[0]; this.idx = 0; } String next() throws IOException { if (array.length > idx) { return array[idx++]; } else { String line = br.readLine(); array = line.split(" "); idx = 0; // 読み込んだ行に何もなかったら・・・ということは考えない。 return array[idx++]; } } int nextInt() throws IOException { return Integer.parseInt(next()); } @Override public void close() throws IOException { br.close(); } }