with open('day1.txt') as f:
    lines = f.read().splitlines()

print("Day 1 Part 1:")

a = []
b = []

for line in lines:
    x,y = line.split()
    a.append(int(x))
    b.append(int(y))

a.sort()
b.sort()

sum = 0

for x, y in zip(a, b):
    sum += abs(x-y)

print("sum: " + str(sum))

print("Day 1 Part 2")

sum2 = 0

for x in a:
    sum2 += x * b.count(x)

print("sum2: " + str(sum2))