import math
AValue = 0
BValue = 0
CValue = 0
for a in range(1,500):
    for b in range(a,1000):
        c = math.sqrt((a*a)+(b*b))
        if a+b+c == 1000:
            AValue = a
            BValue = b
            CValue = c
print(AValue*BValue*CValue)