# b_resize_function.py

# b_resize_function.py

# to resize (w,h) to fit the target area size
def resize(w, h, target_area):
    ratio = (target_area / (w * h))**0.5
    return int(w * ratio), int(h * ratio)

ww = 900
hh = 1600
j = int((ww/2)*(hh/2))
while 1:
    i = resize(ww,hh,j)
    if i[0] > ww*2:
        break
    else:
        print(i,j)
        j += 200000