using System;
class ChessBoard {
static void Main(String[] args) {
Char[,] SquareColor = new Char[8, 8];
for (int i = 0; i < SquareColor.GetLength(0); i++) {
for (int x = 0; x < SquareColor.GetLength(1); x++) {
if ((x % 2) == 0)
if ((i % 2) == 0)
SquareColor[i, x] = 'W';
else
SquareColor[i, x] = 'B';
else
if ((i % 2) == 0)
SquareColor[i, x] = 'B';
else
SquareColor[i, x] = 'W';
}
}
for (int i = 0; i < SquareColor.GetLength(0); i++) {
for (int x = 0; x < SquareColor.GetLength(1); x++) {
Console.Write(SquareColor[i, x]);
}
Console.WriteLine();
}
}
}