Annotated Source:
print "Welcome to mystery math!"
flag = "xxxxxxxxxx"
while True:
x = input("Enter number 1> ")
x = x*x + ord(flag[0]) * ord(flag[1]) + ord(flag[2]) * x
y = input("Enter number 2> ")
if y / 6 + 7 - y == x:
print "Here ya go! ", flag
exit(0)
else:
print "Your lucky number is ", x - y