from typing import Counter


def q1(text: str):
    l1 = []
    l2 = []
    for line in text.splitlines():
        left, right = list(map(int, line.replace("   ", " ").split()))
        l1.append(left)
        l2.append(right)

    l1.sort()
    l2.sort()

    return sum(abs(left-right) for left, right in zip(l1, l2))

def q2(text: str):
    l1 = []
    l2 = Counter()
    for line in text.splitlines():
        left, right = list(map(int, line.replace("   ", " ").split()))
        l1.append(left)
        l2[right] += 1

    return sum(left * l2[left] for left in l1)

if __name__ == "__main__":
    with open("i1.txt") as f:
        print(q1(f.read()))

    with open("i1.txt") as f:
        print(q2(f.read()))