Question

Input Format
The first line of input consists of the number of ingredients, N

The second line of input consists of the N space-separated integers representing the quantity of each ingredient required to create a Powerpuff Girl.


The third line of input consists of the N space-separated integers representing the quantity of each ingredient present in the laboratory.



Constraints
1<= N <=10000000 (1e7)

0<= Quantity_of_ingredient <= LLONG_MAX



Output Format
Print the required output in a separate line.

Sample TestCase 1
Input
4
2 5 6 3
20 40 90 50
Output
8

Answer 1

Answer:

.............................?

Answer 2

Answer:

The first line of input contains space separated values of N and M. The next N lines contains M space separated integers. Output Format.