w, h, x, y = map(int, input().split())
print(w * h / 2, (0, 1)[w / 2 == x and h / 2 == y]) w, h, x, y = map(int, input().split()) w map(int, input().split()) map int input().split() ().split () input split h x y print(w * h / 2, (0, 1)[w / 2 == x and h / 2 == y]) print w * h / 2 w * h w h 2 (0, 1)[w / 2 == x and h / 2 == y] (0, 1) 0 1 w / 2 == x and h / 2 == y w / 2 == x w / 2 w 2 x h / 2 == y h / 2 h 2 y x, y = map(int, input().split()) map(int, input().split()) x w, h, x, y = map(int, input().split()) map(int, input().split()) w y = map(int, input().split()) map(int, input().split()) y h, x, y = map(int, input().split()) map(int, input().split()) h
w, h, x, y = map(int, input().split())
print(w * h / 2, (0, 1)[w / 2 == x and h / 2 == y])
