Помогите по информатике??

nn = int(input())
widh = int(input())
sqar = int(input())
ans = 0
lift = 0
rigt = 0
d = 1
while d * d <= sqar:
if sqar % d == 0:
a = d
b = sqar // d
ans = max (nn//a * (widh//b),nn//b * (widh//a))
if ans == nn//a * (widh//b):
lift, rigt = nn//a, widh//b
if ans == nn//b * (widh//a):
lift, rigt = nn//b, widh//a
d = d + 1
print(ans)