Chessboard
Anya has divided a board of dimensions m×n into cells of size 1×1, painting them in a checkerboard pattern with black and white colors. Vasya wants to know which color covers more cells: black or white.
To figure this out, he asked Anya about the color of the j-th cell in the i-th row of the board. With this information, Vasya aims to determine which color predominates on the board.
Your task is to write a program that, given the board's dimensions and the color of the specified cell, identifies whether there are more black or white cells on the board.
Input
The input consists of five integers: m, n, i, j, and c (1 ≤ m, n ≤ 10^9, 1 ≤ i ≤ m, 1 ≤ j ≤ n, c = 0 or c = 1). Here, c = 0 indicates that the j-th cell in the i-th row is black, while c = 1 indicates it is white.
Output
The output should be one of the following words:
black, if black cells are more numerous on the board,
white, if white cells are more numerous on the board,
equal, if the number of black and white cells is the same.