_a_cricket_tournament.py

#!/usr/bin/python3
from sys import stdin

def main ():
    read = stdin.readline
    n = int (read ())
    a = sorted (map (int, read ().split ()), reverse = True)
    b = sorted (map (int, read ().split ()))
    sm = 0
    for av, bv in zip (a, b):
        if av > bv: sm += av - bv
        else: break
    print (sm)

if __name__ == "__main__": main ()