func main()
	var h: int :: cui@inputInt()
	var w: int :: cui@inputInt()
	var n: int :: cui@inputInt()
	var s: []char :: #[n]char
	var k: []int :: #[n]int
	for i(0, n - 1)
		do s[i] :: cui@inputChar()
		do k[i] :: cui@inputInt()
	end for
	var x: int :: 0
	var y: int :: 0
	for i(n - 1, 0, -1)
		if(s[i] = 'R')
			if(k[i] = y)
				if(x = 0)
					do x :: w - 1
				else
					do x :- 1
				end if
			end if
		else
			if(k[i] = x)
				if(y = 0)
					do y :: h - 1
				else
					do y :- 1
				end if
			end if
		end if
	end for
	var ans: bool :: x % 2 = y % 2
	do cui@print(ans ?("white\n", "black\n"))
end func