import sys
sys.setrecursionlimit(5*10**5)
input = sys.stdin.readline
from collections import defaultdict, deque, Counter
from heapq import heappop, heappush
from bisect import bisect_left, bisect_right
from math import gcd

a,b = map(int,input().split())
c,d = map(int,input().split())

n = a*c-b*d
m = a*d+b*c
print(n,m)