text: # There exists exactly one Pythagorean triplet for which a + b + c = 1000.
  # Find the product abc.
  import sys
  
  for a in range(1,334):
  	for b in range(a+1,500):
  		c = 1000 - a - b
  		if a*a + b*b == c*c:
  			print(a*b*c)
  			sys.exit(0)