import sys, os
from collections import Counter

L1 = []
L2 = []
L = sys.stdin.readlines()
for l in L:
    [a,b] = l[:-1].split("   ")
    L1.append(int(a))
    L2.append(int(b))

S = 0
for a, b in zip(sorted(L1), sorted(L2)):
    S += abs(b-a)
print("1:", S)

C2 = Counter(L2)
S=0
for n in L1:
   S += n * C2[n]
print("2:", S)