w,h,x,y = map(int, input().split())

if w%2 == 0 and h%2 == 0 and  x == w//2 and y == h//2:
  print(w*h/2 , 1)
else:
  print(w*h/2, 0) w,h,x,y = map(int, input().split()) w map(int, input().split()) map int input().split() ().split () input split h x y if w%2 == 0 and h%2 == 0 and  x == w//2 and y == h//2:
  print(w*h/2 , 1)
else:
  print(w*h/2, 0) w%2 == 0 and h%2 == 0 and  x == w//2 and y == h//2 w%2 == 0 and h%2 == 0 and  x == w//2 w%2 == 0 and h%2 == 0 w%2 == 0 w%2 w 2 0 h%2 == 0 h%2 h 2 0 x == w//2 x w//2 w 2 y == h//2 y h//2 h 2 print(w*h/2 , 1) print w*h/2 w*h w h 2 1 print(w*h/2, 0) print w*h/2 w*h w h 2 0 w,h,x,y = map(int, input().split()) map(int, input().split()) w h,x,y = map(int, input().split()) map(int, input().split()) h y = map(int, input().split()) map(int, input().split()) y x,y = map(int, input().split()) map(int, input().split()) x
w,h,x,y = map(int, input().split())

if w%2 == 0 and h%2 == 0 and  x == w//2 and y == h//2:
  print(w*h/2 , 1)
else:
  print(w*h/2, 0)
