package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)
var rdr = bufio.NewReaderSize(os.Stdin, 1000000)

func main() {
	sc.Split(bufio.ScanWords)
	h, w := nextInt(), nextInt()
	n := nextInt()
	ns := make([][2]int, n)

	for i := range ns {
		s, k := nextLine(), nextInt()
		t := 0
		if s == "R" {
			t = 1
		}
		ns[i] = [2]int{t, k}
	}

	x, y := 0, 0
	for i := n - 1; i >= 0; i-- {
		s, v := ns[i][0], ns[i][1]
		if s == 1 {
			if y != v {
				continue
			}
			x--
			if x < 0 {
				x = w - 1
			}
		} else {
			if x != v {
				continue
			}
			y--
			if y < 0 {
				y = h - 1
			}
		}
	}
	s := true
	if y&1 == 1 {
		s = false
	}
	for i := 0; i < x; i++ {
		s = !s
	}
	if s == true {
		fmt.Println("white")
		return
	}
	fmt.Println("black")
}

func nextLine() string {
	sc.Scan()
	return sc.Text()
}

func nextInt() int {
	i, _ := strconv.Atoi(nextLine())
	return i
}

func nextInt64() int64 {
	i, _ := strconv.ParseInt(nextLine(), 10, 64)
	return i
}

func nextUint64() uint64 {
	i, _ := strconv.ParseUint(nextLine(), 10, 64)
	return i
}

func nextFloat() float64 {
	f, _ := strconv.ParseFloat(nextLine(), 64)
	return f
}

func readLine() string {
	buf := make([]byte, 0, 1000000)
	for {
		l, p, e := rdr.ReadLine()
		if e != nil {
			panic(e)
		}
		buf = append(buf, l...)
		if !p {
			break
		}
	}
	return string(buf)
}