# your code goes here
# your code goes here
x = [1,2,3,4,5]
y = [3,4,5,6,2]
x.sort()
y.sort()
s = [a*b for a,b in zip(x,y)]
print(sum(s))
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCiMgeW91ciBjb2RlIGdvZXMgaGVyZQoKeCA9IFsxLDIsMyw0LDVdCgp5ID0gWzMsNCw1LDYsMl0KCnguc29ydCgpCnkuc29ydCgpCgpzID0gW2EqYiBmb3IgYSxiIGluIHppcCh4LHkpXQoKcHJpbnQoc3VtKHMpKQo=