import sys
read = sys.stdin.read
readlines = sys.stdin.readlines
def main():
    w, h, x, y = map(int, input().split())
    if x == w / 2 and y == h / 2:
        print(w * h / 2, 1)
    else:
        print(w * h / 2, 0)

if __name__ == '__main__':
    main() import sys sys read = sys.stdin.read read sys.stdin.read sys.stdin sys stdin read readlines = sys.stdin.readlines readlines sys.stdin.readlines sys.stdin sys stdin readlines def main():
    w, h, x, y = map(int, input().split())
    if x == w / 2 and y == h / 2:
        print(w * h / 2, 1)
    else:
        print(w * h / 2, 0) main w, h, x, y = map(int, input().split()) w map(int, input().split()) map int input().split() ().split () input split h x y if x == w / 2 and y == h / 2:
        print(w * h / 2, 1)
    else:
        print(w * h / 2, 0) x == w / 2 and y == h / 2 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 if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main read = sys.stdin.read sys.stdin.read read readlines = sys.stdin.readlines sys.stdin.readlines readlines def main():
    w, h, x, y = map(int, input().split())
    if x == w / 2 and y == h / 2:
        print(w * h / 2, 1)
    else:
        print(w * h / 2, 0) def main():
    w, h, x, y = map(int, input().split())
    if x == w / 2 and y == h / 2:
        print(w * h / 2, 1)
    else:
        print(w * h / 2, 0) main
import sys
read = sys.stdin.read
readlines = sys.stdin.readlines
def main():
    w, h, x, y = map(int, input().split())
    if x == w / 2 and y == h / 2:
        print(w * h / 2, 1)
    else:
        print(w * h / 2, 0)

if __name__ == '__main__':
    main()
